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.

Type to find tags:
× 5 × 5
a neurotransmitter that plays a key role in allergenic responses, sleep, alertness, cognition and gastric acid synthesis and secretion. It binds primarily to the four types of histamine r…
× 5 × 5
× 5 × 5 × 5
× 5
× 5 × 5
The use and interpretation of sound waves to aid in navigation. Used mainly by bats and toothed whales.
× 5
the science and study of wooded plants (trees, shrubs, and lianas).
× 5
× 5 × 5
The study of evolutionary developmental biology.
× 5 × 5
× 5
× 5 × 5 × 5
Questions about artificial life, or Alife, which is the study of life processes using simulations, computer models, and robotics. Please be careful to ensure that questions are on-topic for Biology, s…
× 5 × 5
Balance refers to postural control, which is defined as the act of maintaining, achieving or restoring a state of balance during any posture or activity.
× 4 × 4
an intracellular degradation system that delivers cytoplasmic constituents to the lysosome.
× 4 × 4
× 4
bacteria which have been treated with chemicals and which are able to take up external DNA.
× 4
× 4 × 4
Questions pertaining to 1) the file format used for electron density information acquired by x-ray crystallography and cryo-electron microscopy, or 2) the project to develop software for x-ray crystal…
× 4
× 4
Tag to be used for questions related to the medical practice dealing with the health of the female reproductive systems (vagina, uterus and ovaries) and the breasts.
× 4
compounds that induce hallucinations and often other psychotic phenomena. They include dissociatives (NMDA antagonists and kappa opioid agonists) and psychedelics (LSD and psilocybin…
× 4 × 4
× 4