Cell biology

Cell biology

The study of cell structure, physiological properties, interactions with the environment and life cycle.

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Cell biology

human immunodeficiency virus (HIV)

Biology; Cell biology

The retrovirus that attacks T-cells in the human immune system, destroying the body's defenses and allowing the development of AIDS.

radioactive decay

Biology; Cell biology

The spontaneous decay of an atom to an atom of a different element by emission of a particle from its nucleus (alpha and beta decay) or by electron capture.

pleural cavity

Biology; Cell biology

The space between the sheets of pleura (one covering the inside of the thoracic cavity, the other covering the outside of the lungs).

genetic divergence

Biology; Cell biology

The separation of a population's gene pool from the gene pools of other populations due to mutation, genetic drift, and selection. Continued divergence can lead to speciation.

medulla oblongata

Biology; Cell biology

The region of the brain that, with the pons, makes up the hindbrain; controls heart rate, constriction and dilation of blood vessels, respiration, and digestion.

alveoli

Biology; Cell biology

Tiny, thin-walled, inflatable sacs in the lungs where oxygen and carbon dioxide are exchanged.

cellular respiration

Biology; Cell biology

The transfer of energy from various molecules to produce ATP; occurs in the mitochondria of eukaryotes, the cytoplasm of prokaryotes. In the process, oxygen is consumed and carbon dioxide is ...