General

General

General nature or nature terms.

Industry: Natural environment

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General

pepsin

Biology; General

An enzyme produced from pepsinogen that initiates protein digestion by breaking down protein into large peptide fragments. An enzyme, produced by the stomach, that chemically breaks down peptide ...

pepsinogen

Biology; General

An inactive form of pepsin; synthesized and stored in cells lining the gastric pits of the stomach.

The movement of the plates that make up the surface of the Earth. The revolutionary paradigm in geology that the earth's crust is composed of rigid segments (plates) in constant (although considered ...

peptic ulcer

Biology; General

Damage to the epithelial layer of the stomach lining; generally caused by bacterial infection.

peptide bond

Biology; General

A covalent bond that links two amino acids together to form a polypeptide chain. A covalent bond between the amine end of one amino acid and the acid end of another amino acid.

pleiotropic

Biology; General

A term describing a genotype with multiple phenotypic effects. For example: sickle-cell anemia produces a multitude of consequences in those it affects, such as heart disease, jidney problem, etc.