Genetics

Genetics

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Genetics

plasma membrane

Biology; Genetics

Outer membrane of a cell, sometimes called the cell membrane. The term plasma membrane is used more frequently when discussing prokaryotes.

plasmid

Biology; Genetics

Circular loop of DNA in prokaryotes. Eukaryotic DNA is organized into chromosomes.

plastid

Biology; Genetics

Any of several pigmented cytoplasmic organelles found in plant cells and other organisms, having various physiological functions, such as the synthesis and storage of food.

prokaryotic

Biology; Genetics

Literally "before the nucleus", the term applies to all bacteria and archaea. Prokaryotic cells have no internal membranes or cytoskeleton. Their DNA is circular, not linear.