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.
The study of how biological life arises from inorganic matter through natural processes, and the method by which life on Earth arose.
A rapid change in the membrane potential of excitable cells such as neurons and muscles; this usually involves a steep rise (depolarization) followed by a steep fall in membrane potential (repolariza…
Adaptation refers to both the current state of being adapted and to the dynamic evolutionary process that leads to the adaptation.
Acquired ImmunoDeficiency Syndrome (AIDS) is a disease caused by the Human Immunodeficiency Virus (HIV), that results in loss of CD4+ T-Lymphocyte thereby leading to a loss of immune function.
For questions about the biological aspects of alcohol, such as metabolism, mechanisms of effect, etc. Questions should be carefully written to focus on the biology. Chemistry questions are off-topic.
different forms of many possible alternative forms of the same gene. The different eye colors are for example different alleles of the genes that make the eye color.
biological phenomenon by which an organism produces one or more biochemicals that influence the germination, growth, survival, and reproduction of other organisms. These biochemicals are known as alle…
Hypersensitive inflammatory immune responses to environmental components that do not affect most people.
Study of the relationship of body size to shape, anatomy, physiology and behaviour.
Altruism refers to behaviour by an individual that increases the fitness of another individual while decreasing the fitness of the actor.
organic acids with an amino group in the alpha position (alpha-acids). They are the structural units of proteins and involved in many biochemical pathways.
The generation of ATP from the breakdown of organic molecules in the absence of oxygen.
Anecdotal evidence refers to findings, hypotheses, speculations or ideas based on observations in a subject group typically consisting of a single individual, or consisting of a few, often related, in…
Animals used, for both practical and ethical reasons, to study biological systems and draw conclusions about homologous processes in other organisms, especially humans.
Phylum of segmented worms, including earthworms, leeches, and ragworms.
social insects in the family Formicidae, a member of the Hymenoptera, which also includes the wasps and bees.
The science of humanity. In a biological sense anthropology focusses on humans and non-human primates, and their evolutionary, biological, and demographic attributes.
Tag for questions related to the ability of bacteria to adapt to antibiotic agents in there environment through genes present in their genome or acquired from the DNA of other organisms through the pr…
Biologically-synthesized chemicals (or their derivatives) that cause growth suppression or death of bacteria. Other anti-microbials are often also considered under the class antibiotics these days.
A protein produced by the B-cells of the immune system which binds to a particular antigen, a foreign substance to the body.
a substance which causes the the body to produce a reaction of the adaptive immune system. Contact of the immune system to antigens results in the production of highly specific (antigen …
Questions relating to the biology of antihistamines (a drug or other compound that inhibits the physiological effects of histamine, used especially in the treatment of allergies). Questions should be …