CZ:Biology Workgroup/list/N-Z

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See also A-M.

N

NAD [r]: (NAD⁺/NADH) A coenzyme found in cells that is involved in redox reactions, carrying electrons from one reaction to another; NAD⁺ is an oxidizing agent, accepting electrons, and becomes reduced to NADH. ^[e]
NADH [r]: Add brief definition or description
NADPH [r]: A major reducing agent in biological systems. ^[e]
natural environment [r]: A term that encompasses all living and non-living things occurring naturally on Earth or some region of Earth. ^[e]
natural selection [r]: The differential survival and/or reproduction of classes of entities that differ in one or more characteristics ^[e]
Nephron [r]: Add brief definition or description
nervous system [r]: The control unit of bodily functions in animals. ^[e]
Neural plate [r]: Add brief definition or description
Neural tube [r]: Add brief definition or description
neuron [r]: An excitable cell that is specialized to conduct nerve impulses. ^[e]
Neuroscience [r]: The study of nervous systems and their components. ^[e]
Neurospora crassa [r]: Add brief definition or description
neurotransmitter [r]: A class of chemicals which relay, amplify or modulate electrical signals between a neuron and other cells in the nervous system. ^[e]
Neurula [r]: Add brief definition or description
Neutral theory of molecular evolution [r]: Add brief definition or description
Niche [r]: Add brief definition or description
nitrogen cycle [r]: A complex process in which the element nitrogen moves into the air, back down into the soil, is changed chemically by various processes, and returns to the atmosphere once again. This cycle is necessary for life on earth. ^[e]
Non-competitive inhibition [r]: Add brief definition or description
Non cyclic electron flow [r]: Add brief definition or description
Nondisjunction [r]: Add brief definition or description
N-terminus [r]: Add brief definition or description
Nuclear lamina [r]: Add brief definition or description
Nucleolus [r]: Add brief definition or description
Nucleon [r]: Add brief definition or description
nucleoside [r]: A purine or pyrimidine base attached to a ribose (used in RNA) or deoxyribose (used in DNA). ^[e]
Nucleosome [r]: Add brief definition or description
nucleotide [r]: Add brief definition or description
Nutrition [r]: Add brief definition or description

O

P

Q

Quaternary structure [r]: Add brief definition or description

R

S

T

U

urea cycle [r]: Add brief definition or description

V

W

X

Y

Z

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