All Questions
0
votes
1answer
11 views
Electrophoretic mobility of isozymes
If isozymes are seperated using electrophoresis, which of the following will be the principle of separation ?
A.charge density
B.molecular weight
C.polarity of molecule
I think it should be B.
0
votes
0answers
5 views
Ribosomes and DNA in chloroplast
Are there multiple copies of circular DNA and membrane bound ribosomes IN CHLOROPLAST ?
Are polysomes found in them ?
0
votes
0answers
6 views
What will happen if we expose the brain to an intermittent light?
If a brain is exposed to an intermittent light are specific areas going to fire? If yes, which of them? Is there any experiment about this?
1
vote
0answers
3 views
Amphibian blood circulation
In an amphibian blood entering the right atrium shows higher levels of oxygenation than that in left atrium when :
A.It is hyperactivated
B.it is hibernating
C.it is submerged
D.it is in the ...
1
vote
0answers
13 views
Why does Blood clot outside the body?
The blood does not clot inside the body due to anti-coagulants. Why does it clot outside the body? Yes, a deficiency of anti-coagulants can be the reason. But what actually happens outside the body to ...
0
votes
0answers
27 views
How easy would be for google to find unpublished interesting research results? [on hold]
I'm a bit worried about the metadata that we generate daily using services as google. Since we, researchers, put a lot of effort to get interesting results, it is totally unfair for services like ...
1
vote
0answers
16 views
How big a change will you see in your sleep/ natural REM sleep cycles when you take Acetylcholine agonist drugs?
When drugs such as Donepezil and Huperzine A are ingested, they travel through the blood stream, finally reaching vital neural receptors. Drugs like these inhibit the acetylcholinesterase enzyme ...
2
votes
2answers
35 views
Difference between Medical and Airport scanner radiation
What is the difference between radiation doses of a medical scanner and airport security scanner (X-Ray full body scan)? Is it the same kind of radiation? Does it pose any danger for people who fly ...
1
vote
1answer
19 views
Use of salt as preservative
I know that salt is used as preservative as it dehydrates microbes. Is there any other advantage like - altering pH or inactivating microbial enzymes ?
4
votes
0answers
35 views
Why is fructose not glucose the main energy source of sperm?
The seminal fluid contains fructose as the main energy source for the sperm and not glucose.
Why is fructose and not glucose the primary energy source for these
sperm, since glucose is the ...
2
votes
2answers
36 views
List authors (scientists) by various attribute
Is there an easy way to list authors of biology articles by
University
country
number of published articles
sum of citations of all articles he/she wrote
fields of study (population genetics)
...
...
2
votes
1answer
37 views
Can a plant be programmed to produce any arbitrary object?
I'm wondering if a plant can be programmed (by modifying its genes) to grow into any shape that it's programming instructs.
I understand that a plants genes are its instructions of how to convert the ...
1
vote
1answer
45 views
Why insects are so small compared to mammals?
I was wondering what biological limitations make the dimension of the insects small compared to the dimension of the mammals. I know in other eras insect were bigger!
1
vote
1answer
27 views
Scrotal temperature and vascularization
The testes (at least in human males) are vascular organs, the vascularization extending even o the interstitial spaces of the seminiferous tubules. The function of the scrotal sac, is to isolate the ...
1
vote
1answer
32 views
Is the Michael Jackson skin pigmentation disease realistic?
Quoting wikipedia:
Jackson's skin had been a medium-brown color for the entire duration
of his youth, but starting in the mid-1980s, it gradually grew paler.
The change gained widespread media ...
