General

General

General nature or nature terms.

Industry: Natural environment

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General

planktonic organisms

Biology; General

"Floaters"; one of the two main types of organisms in the pelagic zone of the marine biome.

pyrimidine

Biology; General

One of the groups of nitrogenous bases that are part of a nucleotide. Pyrimidines are single ringed, and consist of the bases thymine (in DNA), uracil (replacing thymine in RNA), and cytosine.

parasites

Biology; General

Organisms that live in, with, or on another organism. The parasites benefit from the association without contributing to the host, usually they cause some harm to the host.

In some proteins, a fourth structural level created by interactions with other proteins. Aspect of protein structure determined by the number and arrangement of polypeptides in a large protein such ...

parasitism

Biology; General

A form of symbiosis in which the population of one species benefits at the expense of the population of another species; similar to predation, but differs in that parasites act more slowly than ...

plasma

Biology; General

The liquid portion of the blood. Along with the extracellular fluid, it makes up the internal environment of multicellular organisms.

parasympathetic system

Biology; General

The subdivision of the autonomic nervous system that reverses the effects of the sympathetic nervous system. Part of the autonomic nervous system that controls heartbeat, respiration and other vital ...