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Found Macronucleus 2 times.

Displaying results 1 to 10.

1. Macronucleus (pl. macronuclei)
One of two cellular nuclei found in the single-celled ciliated protozoan "tetrahymena." This nucleus contains only gene s which are necessary for basic living and is in control of the organism's growth and reproduction (by binary fission ) during optimal survival conditions.

2. Macronucleus
In ciliates, the large nucleus that carries up to several hundred copies of the genome and controls metabolism and asexual reproduction .

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