Biology: Most Popular Articles
These articles are the most popular over the last month.
Six Kingdoms of Life
Living organisms are classified into three Domains and into one of six Kingdoms of life.
Living organisms are classified into three Domains and into one of six Kingdoms of life.
Organ Systems
The human body is made up of several organ systems that work together as one unit.
The human body is made up of several organ systems that work together as one unit.
Protein Function
Proteins are very important molecules in our cells. Each protein within the body has a specific function.
Proteins are very important molecules in our cells. Each protein within the body has a specific function.
Anatomy of the Brain
Information and resources pertaining to the anatomy of the brain.
Information and resources pertaining to the anatomy of the brain.
Allele
An allele is an alternative form of a gene.
An allele is an alternative form of a gene.
Cellular Respiration
Cellular respiration is a process by which cells harvest the energy stored in food. Glycolysis, the citric acid cycle, and electron transport are the three main processes of cellular respiration.
Cellular respiration is a process by which cells harvest the energy stored in food. Glycolysis, the citric acid cycle, and electron transport are the three main processes of cellular respiration.
Peripheral Nervous System
The nervous system can be divided into two parts, the central nervous system and the peripheral nervous system.
The nervous system can be divided into two parts, the central nervous system and the peripheral nervous system.
Chromosomes and Sex
What is the relationship between chromosomes and sex? Sex is determined by the presence or absence of certain chromosomes.
What is the relationship between chromosomes and sex? Sex is determined by the presence or absence of certain chromosomes.
Directional Terms/Body Planes
Anatomical directional terms and body planes describe the locations of structures in relation to other structures or locations in the body.
Anatomical directional terms and body planes describe the locations of structures in relation to other structures or locations in the body.
Mendel's Law of Segregation
Mendel's Law of Segregation states that allele pairs separate during gamete formation, and randomly unite at fertilization.
Mendel's Law of Segregation states that allele pairs separate during gamete formation, and randomly unite at fertilization.
Photosynthesis
Photosynthesis is a process in which light energy is used to produce sugar and other organic compounds.
Photosynthesis is a process in which light energy is used to produce sugar and other organic compounds.
Coronary Arteries
Information and resources pertaining to the coronary arteries of the heart.
Information and resources pertaining to the coronary arteries of the heart.
Hypothalamus
About the size of a pearl, the hypothalamus directs a multitude of important functions in the body. It is the control center for many autonomic functions and also regulates endocrine system hormones.
About the size of a pearl, the hypothalamus directs a multitude of important functions in the body. It is the control center for many autonomic functions and also regulates endocrine system hormones.
Incomplete Dominance
Definition of the term incomplete dominance.
Definition of the term incomplete dominance.
Independent Assortment
Mendel's law of independent assortment states that allele pairs separate independently during the formation of gametes. Therefore, traits are transmitted to offspring independently of one another.
Mendel's law of independent assortment states that allele pairs separate independently during the formation of gametes. Therefore, traits are transmitted to offspring independently of one another.
Heterozygous
Definition of the word heterozygous.
Definition of the word heterozygous.
Circulatory System
The circulatory system involves the circulation of blood which serves to move blood to a site or sites where it can be oxygenated, and where wastes can be disposed.
The circulatory system involves the circulation of blood which serves to move blood to a site or sites where it can be oxygenated, and where wastes can be disposed.
Pineal Gland
The pineal gland is a pine cone shaped gland of the endocrine system that produces several important hormones including melatonin.
The pineal gland is a pine cone shaped gland of the endocrine system that produces several important hormones including melatonin.
Heart Anatomy
The heart is the organ that helps supply blood and oxygen to all parts of the body. Heart anatomy focuses on the structure and function of this amazing organ.
The heart is the organ that helps supply blood and oxygen to all parts of the body. Heart anatomy focuses on the structure and function of this amazing organ.
DNA Transcription
DNA transcription is a process that involves the transcribing of genetic information from DNA to RNA.
DNA transcription is a process that involves the transcribing of genetic information from DNA to RNA.
Sexual Reproduction
An introduction to the mechanisms of sexual reproduction in animals.
An introduction to the mechanisms of sexual reproduction in animals.
Homozygous
Definition of the word homozygous.
Definition of the word homozygous.
Asexual Reproduction
An introduction to the mechanisms of asexual reproduction in animals.
An introduction to the mechanisms of asexual reproduction in animals.
Cerebrum
The cerebrum is the largest portion of the brain. It encompasses about two-thirds of the brain mass and lies over and around most of the structures of the brain.
The cerebrum is the largest portion of the brain. It encompasses about two-thirds of the brain mass and lies over and around most of the structures of the brain.
10 Steps of Glycolysis
In glycolysis, glucose is split into two molecules of a three-carbon sugar.
In glycolysis, glucose is split into two molecules of a three-carbon sugar.
Aorta
Information and resources pertaining to the aorta of the heart.
Information and resources pertaining to the aorta of the heart.
Medulla Oblongata
The medulla oblongata is a portion of the hindbrain that controls autonomic functions such as breathing, digestion and heart rate.
The medulla oblongata is a portion of the hindbrain that controls autonomic functions such as breathing, digestion and heart rate.
Online Dissections
Online dissections allow you to experience actual dissections without all of the mess.
Online dissections allow you to experience actual dissections without all of the mess.
Mitochondria
Mitochondria are the cell's power producers. They convert energy into forms that are usable by the cell.
Mitochondria are the cell's power producers. They convert energy into forms that are usable by the cell.
Limbic System
The limbic system is responsible for controlling various functions in the body. Structures of this system include the hippocampus, hypothalamus, and thalamus.
The limbic system is responsible for controlling various functions in the body. Structures of this system include the hippocampus, hypothalamus, and thalamus.
Three Domain System
The Three Domain System is a system for classifying biological organisms. Under this system, organisms are classified into three domains and six kingdoms.
The Three Domain System is a system for classifying biological organisms. Under this system, organisms are classified into three domains and six kingdoms.
Ventricles of the Heart
The ventricles of the heart function to pump blood to the entire body.
The ventricles of the heart function to pump blood to the entire body.
The Heart
The heart is the organ that supplies blood and oxygen to all parts of the body.
The heart is the organ that supplies blood and oxygen to all parts of the body.
Pituitary Gland
The pituitary gland is a small endocrine system organ that controls a multitude of important functions in the body.
The pituitary gland is a small endocrine system organ that controls a multitude of important functions in the body.
10 Facts About Cells
The following 10 facts about cells will provide you with well known and perhaps little known tidbits of information about cells.
The following 10 facts about cells will provide you with well known and perhaps little known tidbits of information about cells.
Artery
An artery is an elastic blood vessel that transports blood away from the heart. Pulmonary and systemic arteries are two main types of arteries.
An artery is an elastic blood vessel that transports blood away from the heart. Pulmonary and systemic arteries are two main types of arteries.
Stages of Meiosis
A stage-by-stage guide to the phases of meiosis.
A stage-by-stage guide to the phases of meiosis.
Cerebellum
The cerebellum is the area of the hindbrain that controls motor movement coordination, balance, equilibrium and muscle tone.
The cerebellum is the area of the hindbrain that controls motor movement coordination, balance, equilibrium and muscle tone.
Animal Cells
Animal cells are eukaryotic cells that contain various membrane-bound organelles.
Animal cells are eukaryotic cells that contain various membrane-bound organelles.
Prokaryotes
Prokaryotes are single-celled organisms that are the earliest and most primitive forms of life on earth. Prokaryotes include bacteria and archaeans.
Prokaryotes are single-celled organisms that are the earliest and most primitive forms of life on earth. Prokaryotes include bacteria and archaeans.
The Study of Life
What is biology? Simply put, it is the study of life.
What is biology? Simply put, it is the study of life.
Cardiac Cycle
The cardiac cycle is the sequence of events that occurs when the heart beats.
The cardiac cycle is the sequence of events that occurs when the heart beats.
Stages of Mitosis
A stage-by-stage guide to the phases of mitosis.
A stage-by-stage guide to the phases of mitosis.
Thalamus
The thalamus is a large, dual lobed mass of grey matter buried under the cerebral cortex. It is involved in sensory perception and regulation of motor functions.
The thalamus is a large, dual lobed mass of grey matter buried under the cerebral cortex. It is involved in sensory perception and regulation of motor functions.
Biology Science Project Ideas
Here are some great ideas for biology related science fair projects related to animals, plants and the human body.
Here are some great ideas for biology related science fair projects related to animals, plants and the human body.
Pons
The pons serves as a communications and coordination center between the two hemispheres of the brain.
The pons serves as a communications and coordination center between the two hemispheres of the brain.
Cell Theory
The Cell Theory is one of the basic principles of biology. It states that all living things are composed of cells.
The Cell Theory is one of the basic principles of biology. It states that all living things are composed of cells.
Corpus Callosum
The corpus callosum is a thick band of nerve fibers that divides the cerebrum into left and right hemispheres.
The corpus callosum is a thick band of nerve fibers that divides the cerebrum into left and right hemispheres.
Alcohol Hangover
Information on how alcohol contributes to hangovers.
Information on how alcohol contributes to hangovers.
The Cell-Cell Structure
Take a journey into the cell to find out about the cell structure of both prokaryotic cells and eukaryotic cells.
Take a journey into the cell to find out about the cell structure of both prokaryotic cells and eukaryotic cells.
Temperate Forests
Temperate forests are areas with high levels of precipitation, humidity, and contain a variety of deciduous trees.
Temperate forests are areas with high levels of precipitation, humidity, and contain a variety of deciduous trees.
Frontal Lobes
The frontal lobes are one of the four main lobes or regions of the cerebral cortex.
The frontal lobes are one of the four main lobes or regions of the cerebral cortex.
Protein Synthesis - Translation
Protein synthesis is accomplished through a process called translation. In translation, RNA and ribosomes work together to produce proteins.
Protein synthesis is accomplished through a process called translation. In translation, RNA and ribosomes work together to produce proteins.
Cerebral Cortex
The cerebral cortex is the layer of the brain often referred to as gray matter. It is the outer portion of the cerebrum.
The cerebral cortex is the layer of the brain often referred to as gray matter. It is the outer portion of the cerebrum.
Temporal Lobes
The temporal lobes are one of the four main lobes or regions of the cerebral cortex. The temporal lobes play an important role in organizing sensory input, auditory perception and memory.
The temporal lobes are one of the four main lobes or regions of the cerebral cortex. The temporal lobes play an important role in organizing sensory input, auditory perception and memory.
Brainstem
The brainstem is the region of the brain that connects the cerebrum with the spinal cord. It consists of the midbrain, medulla oblongata, and the pons.
The brainstem is the region of the brain that connects the cerebrum with the spinal cord. It consists of the midbrain, medulla oblongata, and the pons.
Hippocampus
The hippocampus is the part of the brain that is involved in memory forming, organizing, and storing. It is a limbic system structure that is particularly important in forming new memories and connecting emotions and senses, such as smell and sound, to memories.
The hippocampus is the part of the brain that is involved in memory forming, organizing, and storing. It is a limbic system structure that is particularly important in forming new memories and connecting emotions and senses, such as smell and sound, to memories.
Atria of the Heart
The atria of the heart receive blood returning to the heart from other areas of the body.
The atria of the heart receive blood returning to the heart from other areas of the body.
Capillary
A capillary is an extremely small blood vessel located within the tissues of the body.
A capillary is an extremely small blood vessel located within the tissues of the body.
Bacterial Reproduction
Bacterial reproduction most commonly occurs by a kind of cell division called binary fission. Other forms of bacterial reproduction include conjugation, transformation, and transduction.
Bacterial reproduction most commonly occurs by a kind of cell division called binary fission. Other forms of bacterial reproduction include conjugation, transformation, and transduction.
Temperate Grasslands
Temperate grasslands are savanna-like areas located in cold climate regions.
Temperate grasslands are savanna-like areas located in cold climate regions.
Connective Tissue
Explore the structure and function of animal tissues, including connective tissue.
Explore the structure and function of animal tissues, including connective tissue.
Pericardium
Information and resources pertaining to the pericardium of the human heart.
Information and resources pertaining to the pericardium of the human heart.
Vein
A vein is an elastic blood vessel that transports blood from various regions of the body to the heart. Veins can be categorized into pulmonary, systemic, superficial, and deep veins.
A vein is an elastic blood vessel that transports blood from various regions of the body to the heart. Veins can be categorized into pulmonary, systemic, superficial, and deep veins.
Amygdala
The amygdala is an almond shaped mass of nuclei located deep within the temporal lobe of the brain.
The amygdala is an almond shaped mass of nuclei located deep within the temporal lobe of the brain.
Endoplasmic Reticulum
The endoplasmic reticulum is a network of tubules and flattened sacs that serve a variety of functions in the cell.
The endoplasmic reticulum is a network of tubules and flattened sacs that serve a variety of functions in the cell.
Blood Vessels
Blood vessels are intricate networks of hollow tubes that transport blood throughout the entire body.
Blood vessels are intricate networks of hollow tubes that transport blood throughout the entire body.
Salivary Glands and Saliva
Find information on salivary glands, saliva, mucus and their function in digestion.
Find information on salivary glands, saliva, mucus and their function in digestion.
Frog Anatomy
Information on internal and external frog anatomy.
Information on internal and external frog anatomy.
Biology Lab Reports
If you are taking a biology course, you are going to write biology lab reports. Learn the proper method for writing biology lab reports.
If you are taking a biology course, you are going to write biology lab reports. Learn the proper method for writing biology lab reports.
Sanitizers vs. Soap
Hand sanitizers vs soap and water, which is better?
Hand sanitizers vs soap and water, which is better?
Ribosomes
Explore the structure and function of eukaryotic ribosomes.
Explore the structure and function of eukaryotic ribosomes.
Frog Dissection Quiz
Think you know all there is to know about frog dissections? Take this virtual frog dissection quiz.
Think you know all there is to know about frog dissections? Take this virtual frog dissection quiz.
Flowering Plants
Learn about the characteristics and parts of a flowering plant.
Learn about the characteristics and parts of a flowering plant.
Occipital Lobes
The occipital lobes are positioned at the back region of the cerebral cortex and are the main centers for visual processing.
The occipital lobes are positioned at the back region of the cerebral cortex and are the main centers for visual processing.
Virus Replication
Learn about virus replication and how viruses infect cells.
Learn about virus replication and how viruses infect cells.
Anatomy of the Stomach
Learn about the anatomy of the stomach and the types of cells that cover the stomach.
Learn about the anatomy of the stomach and the types of cells that cover the stomach.
Muscle Tissue
Explore the structure and function of cardiac, smooth, and skeletal muscle tissue.
Explore the structure and function of cardiac, smooth, and skeletal muscle tissue.
Make a Working Lung Model
Try this simple demonstration that shows how to make a working lung model.
Try this simple demonstration that shows how to make a working lung model.
Phases of the Cardiac Cycle
The cardiac cycle is the cycle of events that occurs as the heart contracts.
The cardiac cycle is the cycle of events that occurs as the heart contracts.
Carotid Arteries
The carotid arteries are blood vessels that supply blood to the head, neck and brain.
The carotid arteries are blood vessels that supply blood to the head, neck and brain.
Gametes
Gametes are reproductive cells. These cells unite to form a new cell called a zygote.
Gametes are reproductive cells. These cells unite to form a new cell called a zygote.
Broca's Area
Broca's area is one of the main areas of the cerebral cortex responsible for producing language.
Broca's area is one of the main areas of the cerebral cortex responsible for producing language.
Parts of a Flowering Plant Quiz
Parts of a Flowering Plant Quiz Take Our Quiz About Flowering Plants Sorry, but this quiz requires that
Parts of a Flowering Plant Quiz Take Our Quiz About Flowering Plants Sorry, but this quiz requires that
Pulmonary Artery
Information and resources pertaining to the pulmonary artery of the heart.
Information and resources pertaining to the pulmonary artery of the heart.
Haploid Cell
A haploid cell is a cell that contains one complete set of chromosomes.
A haploid cell is a cell that contains one complete set of chromosomes.
Endangered Species
Endangered species are animals and plants that are on the verge of vanishing from the earth.
Endangered species are animals and plants that are on the verge of vanishing from the earth.
Plant Tissue Systems
Plant tissue systems are composed of dermal tissue, vascular tissue, and ground tissue systems. These systems provide support, nutrient formation and transportation, growth, and protection for a plant.
Plant tissue systems are composed of dermal tissue, vascular tissue, and ground tissue systems. These systems provide support, nutrient formation and transportation, growth, and protection for a plant.
Diffusion
Facilitated diffusion is a type of passive transport that allows substances to cross membranes with the assistance of special transport proteins
Facilitated diffusion is a type of passive transport that allows substances to cross membranes with the assistance of special transport proteins
Sex Chromosome Abnormalities
Sex chromosome abnormalities occur as a result of chromosome mutations brought on by mutagens or problems that occur during meiosis.
Sex chromosome abnormalities occur as a result of chromosome mutations brought on by mutagens or problems that occur during meiosis.
Diploid Cell
A diploid cell is a cell that contains two sets of chromosomes.
A diploid cell is a cell that contains two sets of chromosomes.
Nucleus
The nucleus is a cell structure that contains hereditary information, or DNA, and controls cellular growth and reproduction.
The nucleus is a cell structure that contains hereditary information, or DNA, and controls cellular growth and reproduction.
Biology Study Tips
Need help studying for biology? I've got some great biology study tips for you.
Need help studying for biology? I've got some great biology study tips for you.
Bacteria and Food Poisoning
Bacterial foodborne diseases strike millions of people each year. Here is a list of a few bacteria that cause food poisoning and foodborne illness.
Bacterial foodborne diseases strike millions of people each year. Here is a list of a few bacteria that cause food poisoning and foodborne illness.
Fertilization
In sexual reproduction, fertilization involves the donation of genes from two parents which results in the production of offspring with a mix of inherited genes.
In sexual reproduction, fertilization involves the donation of genes from two parents which results in the production of offspring with a mix of inherited genes.
Biological Evolution
Biological evolution is defined as any genetic change in a population that is inherited over several generations.
Biological evolution is defined as any genetic change in a population that is inherited over several generations.
Types of Plant Cells
There have a number of important specialized types of plant cells. Some examples of specialized plant cells include parenchyma cells, collenchyma cells and sclerenchyma cells.
There have a number of important specialized types of plant cells. Some examples of specialized plant cells include parenchyma cells, collenchyma cells and sclerenchyma cells.
Tundra
The tundra biome is characterized by extremely cold temperatures and treeless, frozen landscapes.
The tundra biome is characterized by extremely cold temperatures and treeless, frozen landscapes.
Nucleic Acids
Nucleic acids allow organisms to transfer genetic information from one generation to the next.
Nucleic acids allow organisms to transfer genetic information from one generation to the next.
Metabolic Functions of the Liver
Information on the metabolic functions of the liver including information on carbohydrate, fat and protein metabolism.
Information on the metabolic functions of the liver including information on carbohydrate, fat and protein metabolism.
Anatomy of the Brain - Parietal Lobes
Information and resources pertaining to the parietal lobes
Information and resources pertaining to the parietal lobes
Heart Valves
Information and resources pertaining to the human heart valves.
Information and resources pertaining to the human heart valves.
Venae Cavae
The superior vena cava and inferior vena cava are the two largest veins in the body.
The superior vena cava and inferior vena cava are the two largest veins in the body.
How to Study for Biology Exams
Here are some excellent tips to help you learn how to study for biology exams.
Here are some excellent tips to help you learn how to study for biology exams.
Savannas
Savannas are areas of open grassland with dispersed trees.
Savannas are areas of open grassland with dispersed trees.
Viruses
Viruses are unique in that they have been classified as both living and nonliving at various points in the history biology. Learn about virus structure, DNA, capsids and more.
Viruses are unique in that they have been classified as both living and nonliving at various points in the history biology. Learn about virus structure, DNA, capsids and more.
Cytoplasm
The cytoplasm is a clear substance that consists of all of the contents outside of the nucleus of a membrane bound cell.
The cytoplasm is a clear substance that consists of all of the contents outside of the nucleus of a membrane bound cell.
Taxonomy
Taxonomy is a hierarchical system for classifying and identifying organisms.
Taxonomy is a hierarchical system for classifying and identifying organisms.
Heart Anatomy Quiz
Take the Heart Anatomy Quiz and find out how much you know about the heart.
Take the Heart Anatomy Quiz and find out how much you know about the heart.
Digestive System
Information and resources pertaining to the human digestive system.
Information and resources pertaining to the human digestive system.
Carbon Monoxide
Information and resources pertaining to the effects of carbon monoxide and carbon monoxide poisoning.
Information and resources pertaining to the effects of carbon monoxide and carbon monoxide poisoning.
Top Biology Programs
The top biology programs from colleges and universities in the United States.
The top biology programs from colleges and universities in the United States.
Centrioles
Centrioles are cylindrical structures that are composed of groupings of microtubules. Centrioles are found in animal cells and play a role in cell division.
Centrioles are cylindrical structures that are composed of groupings of microtubules. Centrioles are found in animal cells and play a role in cell division.
Tricuspid Valve
Information and resources pertaining to the tricuspid valve of the heart.
Information and resources pertaining to the tricuspid valve of the heart.
Human Body Project Ideas
Human body projects and studies allow us to get a better understanding of the human body. The following human body project ideas introduce topics for exploration through experimentation.
Human body projects and studies allow us to get a better understanding of the human body. The following human body project ideas introduce topics for exploration through experimentation.
Mitosis Study Guide
This study guide introduces you to the basics of mitosis and the mitotic process.
This study guide introduces you to the basics of mitosis and the mitotic process.
Anatomy of the Brain - Basal ganglia
Information and resources pertaining to the basal ganglia
Information and resources pertaining to the basal ganglia
Diencephalon
The diencephalon, along with the telencephalon comprise the two major divisions of forebrain.
The diencephalon, along with the telencephalon comprise the two major divisions of forebrain.
Human Anatomy Quiz
Take the Human Anatomy Quiz and find out how much you know about the human body.
Take the Human Anatomy Quiz and find out how much you know about the human body.
Nervous Tissue
Explore the structure and function of nervous tissue and neurons, also called nerve cells.
Explore the structure and function of nervous tissue and neurons, also called nerve cells.
Digestive System - The Esophagus
Information on the esophogus and its role in digestion.
Information on the esophogus and its role in digestion.
Organ Systems Quiz
Take the Organ Systems Quiz!
Take the Organ Systems Quiz!
Central Nervous System
The nervous system is comprised of the central nervous system and the peripheral nervous system. The central nervous system is responsible for processing information received from the peripheral nervous system.
The nervous system is comprised of the central nervous system and the peripheral nervous system. The central nervous system is responsible for processing information received from the peripheral nervous system.
How To Make a Working Model of the Lungs
an easy way to make a working model of the lungs
an easy way to make a working model of the lungs
Make a DNA Model Using Candy
Discover a fun way to make a DNA model using candy.
Discover a fun way to make a DNA model using candy.
Sinoatrial Node
Information and resources pertaining to the sinoatrial node of the heart.
Information and resources pertaining to the sinoatrial node of the heart.
How Steroid Hormones Work
Become familiar with how steroid hormones work in the body to produce proteins.
Become familiar with how steroid hormones work in the body to produce proteins.
Anatomy
Anatomy is the study of the structure of living organisms. This subdiscipline of biology can be further categorized into the study of large scale anatomical structures (gross anatomy) and the study of microscopic anatomical structures (microscopic anatomy).
Anatomy is the study of the structure of living organisms. This subdiscipline of biology can be further categorized into the study of large scale anatomical structures (gross anatomy) and the study of microscopic anatomical structures (microscopic anatomy).
Dihybrid Cross
Definition of the term dihybrid cross.
Definition of the term dihybrid cross.
Integumentary System
The integumentary system consists of the largest organ in the body, the skin. This extraordinary organ system protects the internal structures of the body from damage, prevents dehydration, stores fat and produces vitamines and hormones.
The integumentary system consists of the largest organ in the body, the skin. This extraordinary organ system protects the internal structures of the body from damage, prevents dehydration, stores fat and produces vitamines and hormones.
Cardiovascular Quiz
Take the Cardiovascular System Quiz!
Take the Cardiovascular System Quiz!
Land Biomes
Biomes are the world's major habitats. Land biomes are identified by the vegetation and animals that populate them.
Biomes are the world's major habitats. Land biomes are identified by the vegetation and animals that populate them.
Archaea
Organisms from the Domain Archaea can exists under some of the most extreme conditions. They can survive in extremely hot, acidic, or alkaline environments.
Organisms from the Domain Archaea can exists under some of the most extreme conditions. They can survive in extremely hot, acidic, or alkaline environments.
DNA Models
Constructing DNA models is a great way to learn about DNA structure, function, and replication.
Constructing DNA models is a great way to learn about DNA structure, function, and replication.
Lipids
Lipids are very diverse in both their respective structures and functions. Examples of lipids include fats, phospholipids, steroids and waxes.
Lipids are very diverse in both their respective structures and functions. Examples of lipids include fats, phospholipids, steroids and waxes.
Architecture of the Liver
Information on the anatomy of the liver and biliary tract.
Information on the anatomy of the liver and biliary tract.
Biological Weapons
Biological weapons are toxic materials derived from pathogenic organisms for the purpose of killing or incapacitating a host.
Biological weapons are toxic materials derived from pathogenic organisms for the purpose of killing or incapacitating a host.
Chromatin
Chromatin is a mass of genetic material composed of DNA and proteins that condense to form chromosomes.
Chromatin is a mass of genetic material composed of DNA and proteins that condense to form chromosomes.
Overview of the Digestive System - Basic Functional Anatomy
Basic functional anatomy and organs of the digestive system.
Basic functional anatomy and organs of the digestive system.
Regeneration of Brain Cells
For almost one hundred years scientists believed that brain cells don't regenerate, until now.
For almost one hundred years scientists believed that brain cells don't regenerate, until now.
Tropical Rain Forests
Tropical rain forests are characterized by dense vegetation, seasonally warm temperatures, and abundant rainfall.
Tropical rain forests are characterized by dense vegetation, seasonally warm temperatures, and abundant rainfall.
Polymers
Polymers are large molecules or macromolecules composed of many similar smaller molecules linked together. The individual smaller molecules are called monomers.
Polymers are large molecules or macromolecules composed of many similar smaller molecules linked together. The individual smaller molecules are called monomers.
Human Brain Quiz
Take the Human Brain Quiz and discover how much you know about the brain.
Take the Human Brain Quiz and discover how much you know about the brain.
Cloning Techniques
Techniques used in cloning.
Techniques used in cloning.
Monohybrid Cross
Definition of the term monohybrid cross.
Definition of the term monohybrid cross.
Cell Anatomy Quiz
Do you know which cellular structure houses DNA? Test your knowledge of eukaryotic cell anatomy. Take the Cell Anatomy Quiz.
Do you know which cellular structure houses DNA? Test your knowledge of eukaryotic cell anatomy. Take the Cell Anatomy Quiz.
Mitosis Quiz
Take the MItosis Quiz and find out how much you know about mitotic cell division.
Take the MItosis Quiz and find out how much you know about mitotic cell division.
The Nucleus
Explore the structure and function of the nucleus in eukaryotic cells.
Explore the structure and function of the nucleus in eukaryotic cells.
Anatomy of the Brain - Insula
Information and resources pertaining to the insula
Information and resources pertaining to the insula
Cellular Respiration Quiz
Take the Cellular Respiration Quiz and find out how much you know about cellular respiration.
Take the Cellular Respiration Quiz and find out how much you know about cellular respiration.