Search Results for: original
Allopatric speciation
We can define speciation as a process by which the novel genetically independent group of organisms are formed through the... Read More
Meiosis and Alternation of Generations
Review of Mitosis: Cell Cycle The cell cycle contains the process in which cells are either dividing or in between... Read More
Renaturation
Definition noun, plural: renaturations (molecular biology) The conversion of denatured protein or nucleic acid to its native... Read More
Antagonistic Muscle
Definition of Antagonistic Muscle What does the term “antagonistic” mean? As the name suggests, the word antagonistic... Read More
Denaturation
Denaturation Definition In biochemistry, denaturation is defined as a process in which a molecular structure deviates from... Read More
Positive feedback
Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More
Deoxyribonucleic acid
Deoxyribonucleic Acid (DNA) Definition A nucleic acid refers to any of the group of complex compounds made up of linear... Read More
Missense mutation
What is a missense mutation? Literally speaking, a mutation that changes the meaning of the encoded gene sequence is the... Read More
How cell fixes DNA damage
DNA repair strategies DNA is crucial to life. It carries the fundamental blueprint for the proper functioning of a cell.... Read More
DNA Structure & DNA Replication
Previous pages in this tutorial have described the basics of a cell, the energy required by these cells and how energy is... Read More
Regeneration in humans – Finding the gene switch
Regeneration in humans is much more limited compared in other animals. Say for instance when one lost a limb, much as well... Read More
Binary fission
Binary Fission Definition What is binary fission? In biology, binary fission is a type of asexual reproduction where a... Read More
Lethal mutation
Lethal Mutation Definition Genetic mutations come from changes in the DNA structure or sequencing in an organism. Often... Read More
Fragmentation
Fragmentation Definition What is fragmentation? In general, fragmentation refers to the state or the process of breaking... Read More
Asexual reproduction
Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a type of reproduction that does not... Read More
Chondrichthyes
Definition noun A taxonomic class comprised of cartilaginous fish Supplement Chondrichthyes is taxonomic superclass of... Read More
Cytokinesis
The cell cycle of eukaryotes is a cyclical series of biological events that certain asexual cells go through. The cell cycle... Read More
First-order kinetics
What is a First-Order Kinetics (First-Order Reaction)? First-order kinetics refers to a reaction wherein the overall rate... Read More
Elastic cartilage
The cartilage is a connective tissue characterized by having an extracellular matrix that is abundant in chondroitin sulfate... Read More
Disruptive Selection
An evolutionary process known as disruptive selection (or disruptive natural selection) causes a population to become... Read More
DNA replication
DNA Replication Definition DNA replication is the process of copying and duplicating a DNA molecule. The process is carried... Read More
Human Reproduction
Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More
SENI Biometric Analysis on the extinct Scincidae species: Macroscincus coctei (underlined)
Brian L. Schnirel Leeway Corucia Research Center (LCRC) Courtesy: Polyphemos (2004) Introduction: It has been... Read More
Water in Plants
The movement of molecules, specifically water and any solutes, is vital to understand in light of plant processes. This will... Read More
Takahē (Porphyrio hochstetteri)
By: Maria Victoria Gonzaga Previously, we've seen the different animals endemic to New Zealand. Due to the... Read More
Decomposition
Definition noun The process or act of breaking down an organic material or substance into smaller constituent parts,... Read More
Chemical Composition of the Body
In order to fully understand the mechanisms of human physiology, it is important to have an understanding of the chemical... Read More
Parthenogenesis
To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More