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Macronucleus


macronucleus
larger nucleus of certain protozoans, as distinguished from the smaller micronucleus
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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macronucleus In ciliates, the large nucleus that carries up to several hundred copies of the genome and controls metabolism and asexual reproduction. PICTURE ...
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macronucleus The larger of the two kinds of nuclei in ciliate protozoa; controls all cell functions except reproduction.
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macronucleus
The larger of two nuclei found in some Protozoans and concerned with cell division. It appears to have mainly vegetative functions.
madreporite
The porous opening to the hydrocele in echinoderms.
Covered in Lab 12 Animal Diversity III ...
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at least one small, diploid (2n) micronucleus. It contains the entire genome but is not active in gene transcription.
a large, polyploid macronucleus that contains the active genes that run the cell.
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