Home Forum Dictionary Articles Tutorials Books Directory Share your work


Edit page | Page history | Printable version

Dictionary » M » Macronucleus

Macronucleus

Macronucleus

The larger nucleus (or sometimes nuclei) in ciliate protozoans. Derived from the micronucleus by a process of dna polytenisation. The dna in the macronucleus is actively transcribed. The macronucleus degenerates before conjugation. Part of the nuclei in protozoans responsible for cell division.


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


having two or more nucleus... is it better?

paramaecium has 2 nuclei...the macronucleus looks after somatic function of the cell and the micronucleus looks after reproduction ....hence there is a division of labour which can be efficient...but this certainly depends upon the situations ...

See entire post
by rg
Fri May 05, 2006 11:28 am
 
Forum: Microbiology
Topic: having two or more nucleus... is it better?
Replies: 11
Views: 5697

yet another eukaryote question

... present one or plus nuclei (with a nuclear membrane) are Eukaryotes. Paramecium is a protist that has 2 nuclei: 1 called micronucleus and 1 called macronucleus (I'm sorry if I wrong some word in english). There are 5 kingdoms: Monera--> are prokaryotes without nucleus Protista; Fungi; Plantae; ...

See entire post
by tursiops
Sat Oct 22, 2005 3:49 pm
 
Forum: Cell Biology
Topic: yet another eukaryote question
Replies: 8
Views: 2980


This page was last modified 04:51, 6 February 2007. This page has been accessed 7,196 times. 
What links here | Related changes | Permanent link