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Results tagged with development
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user 3632
The process through which a biological organism grows to maturity. In certain contexts it can mean the changes the organism goes through over its entire lifetime.
3
votes
Accepted
Question about cell signaling pathways (RTK, Jak-Stat, SMAD, etc)
@Alexandria Jak/Stat are two families of proteins which mediate signals through phosphotyrosines.
JAK is a tyrosine kinase which binds to cell receptors and STAT is dimerized by JAK action. JAK sp …
- 28.3k
2
votes
Accepted
How many consecutive cell divisions are required to form the adult human body from the singl...
Sounds like just a math problem if you allow that cells dying and different rates of division are not to be accounted for:
$2^N = 40 \times 10^{12}$
$log_2(40 \times 10^{12}) = N$
$N = 45.185$
so …
- 28.3k
2
votes
What metabolic activities are performed by a developing human fetus's liver?
After initial phases of development, the liver produces fetal red blood cells which is normally a function carried out by specialized bone marrow hematopoietic cells. … Over the course of fetal development the liver develops its typical functions. …
- 28.3k
7
votes
Does our eyeball increase in size as we grow?
No. In fact the lens of the eye, which is nearly optically perfect in humans, does not change or grow after it is fully formed around week 26 of gestation. Interestingly this is why one of the cues f …
- 28.3k