Paramecium anal pore

These findings suggest that clonal gay lesbian e card is due, in large part, to a progressive accumulation of DNA damage see DNA damage paramecium anal pore of aging ; and that rejuvenation is due to the repair of this damage in the micronucleus during meiosis. Witzany G, Nowacki M eds. What appears to be the cell membrane is actually a part called the pellicle.

Paramecium, showing contractile vacuole and ciliary motion. Daughter nuclei fuse and the cells separate. When the organism is ready to reproduce, genes are moved to the macronucleus from the micronucleus, and then begin the reproductive cycle.

Views View Edit Fat mature lesbians. These experiments indicated that the macronucleus, rather than the cytoplasm, is responsible for clonal aging. CS1 French-language sources fr Articles with 'species' microformats Articles containing French-language text Articles containing video clips. Contractile vacuole — The outer part of the endoplasm near the posterior end contains a clear, rounded and pulsating vacuole filled with a watery fluid.