Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL
The behavioural reaction of an animal to a stimulus.
Amino acids have the same general formula, possessing an amino group, a carboxylic acid group, and a group of atoms that is different for each amino acid; this is called the R group. The shape and properties of a protein, and hence its function, are determined by the R groups of their constituent amino acids.
A test in which subjects are shown ink blots and asked to describe what images they perceive. It is said to give insights into personality.
The abbreviation for reactive oxygen species, such as hydroxy, nitric and superoxide radicals.
A state of loss of motivation as a result of completing a session of a particular behaviour. For example, after food deprivation an animal might be given food and then achieve a state of satiety as a result of free ingestion.