The study of the function, chemistry and structure of cells.
6
votes
1answer
203 views
X chromosome “weight”?
According to Wikipedia, the X chromosome has approximately 153 million base pairs, while the Y chromosome has only 60 million base pairs. Thus, the difference is roughly 93 million base pairs.
My ...
6
votes
1answer
197 views
To understand why satellite cells are genetically inactive in Barr body
DAPI is used as a stain for DNA heterochromatic and euchromatic regions. The Barr body is heterochromatic.
In the slide of a normal human female cheek's somatic cells, there is apparently no other ...
7
votes
1answer
88 views
What specific membrane adaptations do cells have for saline-rich environs?
Are the cells of marine animals and flora equipped with special ion exchange pumps to mitigate the effects of a saline-rich environment?
Or have the cell's membranes adapted through structural ...
18
votes
1answer
330 views
Are lymphocyte sizes clustered in two groups?
Tortora writes in Principles of Anatomy and Physiology:
Lymphocytes may be as small as 6–9 μm in diameter or as large as 10–14 μm in diameter.
Those ranges are quite close to each others. Should ...
