Biology

Biology

A natural science concerned with the study of life or living matter in all its forms and phenomena, especially in relation to their origin, growth, reproduction, structure, behaviour and evolution.

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Biology > Toxicology

technical directive

Biology; Toxicology

Technical specification, usually in the form of a document available to the public, drawn up with the consensus or general approval of all interests affected by it, based on the ...

polymerase chain reaction(PCR)

Biology; Toxicology

Technique by which specific DNA segments are amplified selectively using cycles of annealing, chain extension, and thermal dissociation.

risk aversion

Biology; Toxicology

Tendency of an individual person to avoid risk.

ploidy

Biology; Toxicology

Term indicating the number of sets of chromosomes present in an organism.

toxicometry

Biology; Toxicology

Term sometimes used to indicate a combination of investigative methods and techniques for making a quantitative assessment of toxicity and the hazards of potentially toxic ...

regulatory dose

Biology; Toxicology

Term used by the USEPA to describe the expected dose resulting from human exposure to a substance at the level at which it is regulated in the environment.

regioselectivity

Biology; Toxicology

Terms referring to a reaction in which one direction of bond making or breaking occurs preferentially over all other possible directions. Note: Reactions are termed completely ...