Organisms whose cells contain organelles, complex structures enclosed within membranes, in particular a nucleus.

learn more… | top users | synonyms

4
votes
0answers
39 views

What metabolically happens when an egg fuses with the nucleus of a somatic cell

In stem cell biology, it is recognized that embryonic stem cells are transcriptionally inactive for the first 3 days of development. However, during somatic cell nuclear transfer, the nucleus is ...
3
votes
0answers
28 views

Did the Great Oxygenation Event also cause a mass extinction?

Its usually assumed that the Great Oxidation Event around 2.3 bya caused a great extinction of anaerobic life on earth. But as I was reading Nick Lane's book, ...
3
votes
0answers
23 views

Do eukaryotes assimilate DNA that is floating in the extracellular membrane?

Prokayotes, which replicate primarily using binary fission, don't get much genetic diversity. For this reason, they take in any genetic material they encounter, in a gambit to help them better adapt ...
3
votes
0answers
109 views

How stable is linear DNA transfected in eukaryotic cells?

I would like to know, with references from the literature, what is the half life of a linear dsDNA transfected in a mammalian cells. For example, if I transfect human cells with a PCR product ...