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 > Microbiology

cyanobacteria

Biology; Microbiology

A large group of bacteria that carry out oxygenic photosynthesis using a system like that present in photosynthetic eucaryotes.

cold sore

Biology; Microbiology

A lesion caused by the herpes simplex virus; usually occurs on the border of the lips or nares.

fever blister

Biology; Microbiology

A lesion caused by the herpes simplex virus; usually occurs on the border of the lips or nares.

herpes labialis

Biology; Microbiology

A lesion caused by the herpes simplex virus; usually occurs on the border of the lips or nares.

stigma

Biology; Microbiology

A light-sensitive eyespot, which is found in some algae and photosynthetic protozoa; it is believed to be involved in phototaxis, at least in some cases.

Golgi apparatus

Biology; Microbiology

A membranous eucaryotic organelle composed of stacks of flattened sacs (cisternae), which is involved in packaging and modifying materials for secretion and many other processes.

toxin

Biology; Microbiology

A microbial product or component that can injure another cell or organism at low concentrations. Often the term refers to a poisonous protein, but toxins may be lipids and other ...