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6h
comment Why do human genes banks exist?
Additionally, this is the fourth low-quality question you've posted, from 4 separate accounts. This is against Stack Exchange guidelines, and the moderators have been notified. Please restrict your activities to one account.
6h
comment Why do human genes banks exist?
I strongly recommend taking the tour and reading through the help center, as well as doing some research on your own, before asking additional questions. You don't seem to have a strong grasp on some very basic tenets of molecular biology, so some focused googling is definitely in order, along with spending some quality time with Wikipedia and other resources. For example, typing your question title into Google yields this page explaining the Human Genome Project. You can help yourself before asking for help.
6h
comment Stimulate a nerve
Please edit your question to expand on what you're asking, as currently it is rather vague and unclear. What exactly are you trying to do? What type(s) of neuron are you trying to stimulate, and how?
7h
comment Stimulate a nerve
@Pedram this happens every time we have a thought or use any of our senses. Signals are sent from neuron to neuron via synapses. You can stimulate the postcentral gyrus in the brain by touching something with your finger.
7h
comment How do animals end up in remote areas?
@Octopus marshy areas tend to remain marshy areas over the short term (decades to centuries) unless acted upon by an outside force, such as the rerouting of a water supply or human activity. I'm not sure what you mean by coming and going on an almost yearly basis - could you give some examples? Also, as I mentioned in my answer, during prolonged wet weather (maybe over a week or more), frogs and other amphibians could travel relatively long distances with ease. I'm not terribly close to wetlands, yet I often find frogs in my yard during/after a long rain that are no longer there when it's dry.
10h
answered What leads to the different types of navels?
11h
revised Protein that exit from the cell - as marker
added 426 characters in body
11h
answered Protein that exit from the cell - as marker
11h
answered How do animals end up in remote areas?
11h
revised How do animals end up in remote areas?
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11h
comment What would be the impact of depositing limestone in the oceans (to reverse acidification) on ocean life forms and biodiversity?
From What types of questions should I avoid asking?: avoid asking subjective questions where (…) you are asking an open-ended, hypothetical question: "What if ______ happened?"
11h
comment What would be the impact of depositing limestone in the oceans (to reverse acidification) on ocean life forms and biodiversity?
Harvey recommended 40 µm powdered limestone, delivered to certain points and depths in the oceans. The amount of fossil fuels consumed to mine, powder, transport, and precisely deliver the limestone each year would necessitate a much larger quantity of limestone to offset it, increasing fuel use even more, requiring more limestone, and on and on, not to mention the amount of machinery, trains, trucks, and ships that would need to be produced to even put this operation into effect. This idea is completely unfeasible, so I'm voting to close this as opinion-based.
11h
revised What would be the impact of depositing limestone in the oceans (to reverse acidification) on ocean life forms and biodiversity?
should be 4 Gt/yr. Not sure what `a` meant.
12h
revised Can HIV mutate to become airborne?
deleted 14 characters in body; edited title
12h
comment Can HIV mutate to become airborne?
Quick answer: likely not. HIV is extremely vulnerable outside the body, which is why fluid-to-fluid transmission is required. A huge number of mutations, all in the same virion, would be required to give it the resistance to molecular oxygen, sunlight, dehydration, temperature changes, etc. to become airborne. Also, your statement it is very adaptable to its environment is not quite correct. It is adaptable to escaping immune surveillance, but not to other environments. In fact, many (if not most) of HIV's mutations render it incapable of completing its life cycle in one form or another.
12h
revised Are mitochondria dead?
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19h
awarded  Nice Answer
1d
comment What is this caterpillar?
This question is pointless without an image. Please post on imgur and add a link to your question.
1d
answered Are mitochondria dead?
1d
comment What is the name of this flower?
Please indicate where this is located.