A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
globular proteins that catalyse a biochemical reaction, increasing the overall rate by reducing activation energy. Most chemical reactions in a cell need enzymes in order to occur at rates…
Any substance consumed to provide nutritional support for the body.
For questions on the biochemical, physical, and mechanical functioning of humans in good health including their organs and cells.
Questions related to the study of the distributions and changes of allele frequency in a population.
Questions relating to the study of birds.
a biological macromolecule made of nucleotides used in cells to convey genetic information to protein. RNA also plays a role in catalyzing certain biological reactions as …
harnessed to assemble organic compounds (esp. glucose) from inorganic carbon dioxide.
Questions regarding how the brain interprets information from the eyes. Consider using the "eyes" tag for discussion of eye anatomy, physiology and evolution.
The study of blood, the blood-forming organs, along with blood diseases and their treatment.
The study of the physiology and pathology of the heart and the cardiovascular system.
The use of methods from the physical sciences to aid in the study of biological systems.
Questions relating to biological theory or theoretical developments that deals with biological processes.
The contractile tissue of animals derived from the mesodermal layer of embryonic germ cells.
The discussion of the anatomy and evolution of eyes. Consider using the "vision" tag for questions regarding how the brain interprets information from the eyes.
A change in an organism's genomic sequence.
A mechanism of evolution that leads to non-random spread of genes due to the effect that genes have on reproductive success.
Questions on the classification of biological organisms, and the methods used for classifying them.
The area of physiology dealing with the production and effects of hormones.
The study of animal behaviour.
a method of replicating DNA exponentially from even a single molecule.
The study of the structure of organisms and their parts.
The study of genomes, the entire set of genes in an organism.
The set of actions performed by an organism within a given environment
A single piece of DNA coiled and organized along with RNA and proteins found in the cell.
the doctrine of prevention, diagnosis and treatment of diseases and injuries in humans and animals. Health and medicine questions are off-topic unless dealing with the biology underlyin…
The scientific study of fungi.
A selectively-permeable biological membrane that separates the interior of all cells from the outside environment.
The process through which a biological organism grows to maturity. In certain contexts it can mean the changes the organism goes through over its entire lifetime.
The study of evolution with a particular focus on questions about the evolution of modern humans.
Study of the anatomy and organization of the nervous system.
A sub-discipline of evolutionary biology which involves the study of evolutionary relatedness between different organisms based on their molecular and morphological features.
The study of the appropriate provisions required to sustain life in an organism or the provisions themselves.
Questions related to mammals, animals that nurse their young, have a neocortex, and three middle ear bones.
Questions about scientific journal papers, books or other written sources, or for requests for references.
The study of the form and internal structures of plants.
The basic unit of heredity which encodes for some function RNA or protein product.