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Cell biology
The study of cell structure, physiological properties, interactions with the environment and life cycle.
Industry: Biology
Add a new termContributors in Cell biology
Cell biology
Pyrimidine
Biology; Cell biology
One of the groups of nitrogenous bases that are part of a nucleotide. Pyrimidines are single ringed, and consist of the bases thymine (in DNA), uracil (replacing thymine in RNA), and cytosine.
Purine
Biology; Cell biology
One of the groups of nitrogenous bases that are part of a nucleotide. Purines are adenine and guanine, and are double-ring structures.
Punctuated equilibrium
Biology; Cell biology
A model that holds that the evolutionary process is characterised by long periods with little or no change interspersed with short periods of rapid speciation.
Pulmonary artery
Biology; Cell biology
The artery that carries blood from the right ventricle of the vertebrate heart to the lungs. Artery carrying oxygen-poor blood from the heart to the lungs.
Pulmonary circuit
Biology; Cell biology
The loop of the circulatory system that carries blood to and from the lungs.
Pseudopodia
Biology; Cell biology
Temporary cytoplasmic extensions from a cell that enables it to move (sing. : pseudopodium).
