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Jul
31
comment Approximately how long do bacteria live for?
@Orphee Are you trying to ask how long pathogenic bacteria live for in the human body? Because that's a completely different question
Jul
17
comment Have there been studies done to test Immortality of cancer cells in culture?
You're not even wrong
Jul
17
comment How to create a 3D density map of a system of varying number of particles?
well, have you tried anything so far?
Jun
16
comment How can a ligand be an integral membrane protein?
@MattDMo I changed the quote to match the new one on the Wiki and updated the wording in my answer a little bit to deemphasize small molecules
Jun
16
comment How can a ligand be an integral membrane protein?
@MattDMo That's legit. I can appreciate your point. If you feel strongly that this is wrong, edit the Wikipedia page and I'll update my quote to match.
Jun
15
comment How can a ligand be an integral membrane protein?
@Nandor Whelp, you're partially right, but mostly you're wrong. An enzyme's substrates are a subset of its ligands. See the edit for more details.
Jun
15
comment How can a ligand be an integral membrane protein?
You're thinking of hormones. Ligand is a much broader category of thing that includes everything that can be bound by some biomolecule.
Jun
12
comment Is there a comprehensive model of human attraction and sexuality?
I was snarking when I wrote the previous comment, but, yeah, if anyone actually does have an example that would be pretty neat
Jun
12
comment Is there a comprehensive model of human attraction and sexuality?
Is there a comprehensive model for any complex human behavior?
May
22
comment Is there a name for the evolutionary loss of vestigial structures?
Your examples are fine, but in general you should try to avoid "just-so" stories when considering evolutionary events. The truth is always a combination of the kinds of reasons you listed. The most you can say for sure are post-hoc phenomenological observations, ie "The fitness of the population which lost its tails increased relative to the fitness of the population which retained them".
May
22
comment Is there a name for the evolutionary loss of vestigial structures?
Natural selection?
May
21
comment Why “broad” instead of “large” cross-immunoreactivity?
@canadianer Stone correctly identified a scientific buzzword by its somewhat awkward placement. This is not about general English usage.
May
21
comment Do DNA supply houses maintain a watch list for dangerous oligos (Anthrax, Smallpox, etc.)?
@chris But this is kind of pointless when you know how to handle and manipulate DNA. Yeah, that's my real question: how could such a list even work? How would it handle silent mutations? How would it handle SNPs, or other mutations easily fixed with PCR? Combinations of SNPs?
Jan
19
comment Why is ATP the main nucleoside triphosphate used to exchange energy?
In terms of experiments, you could find an organism (probably some extremophile archaea or something) that produces mostly GTP during glycolysis in place of ATP. Alternatively, you could synthetically alter one of the ATP producing enzymes so that they instead produce GTP. Either one would provide strong evidence that the preference for using ATP in metabolism is mostly a matter of coincidence.
Jan
19
comment Why is ATP the main nucleoside triphosphate used to exchange energy?
@user137 Yes, so maybe the best version of the question is "Why ATP and not GTP?", since the two molecules are so similar in terms of their chemistry and biological role.
Jan
19
comment Why is ATP the main nucleoside triphosphate used to exchange energy?
This was a question I too asked, during intro biochem. I still don't know the answer. I'm not sure if there's a satisfactory one beyond "evolutionary contingency".
Jan
16
comment What effects does being cryogenically frozen have on a person's body?
@Chris wrong! Well, maybe. Check out this frog
Jan
10
comment What does the gene name “lexA” stand for?
What does gene name X stand for? I think you might be expecting a little bit too much from the standard naming conventions...
Jan
7
comment How much does sleeping correlate with daily activity?
@rumtscho Really, just like the OP I'm wondering why both a day of hard labor and a day of hard thinking leave me similarly tired. It's a curious symmetry.
Jan
7
comment Which fruit compounds affect the speed of fructose absorption?
@inf3rno look up the teapot fallacy