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Jan
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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
18
answered How many different kinds of polypeptides, each composed of 12 amino acids, could be synthesized using the 20 common amino acids?
Jan
18
answered How semi-synthetic cell with artificial DNA works
Jan
17
revised What effects does being cryogenically frozen have on a person's body?
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revised What effects does being cryogenically frozen have on a person's body?
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revised What effects does being cryogenically frozen have on a person's body?
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Jan
16
comment What effects does being cryogenically frozen have on a person's body?
@Chris wrong! Well, maybe. Check out this frog
Jan
16
answered What effects does being cryogenically frozen have on a person's body?
Jan
16
revised How much of the human body is processed sunlight?
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revised How much of the human body is processed sunlight?
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reviewed Approve Does a man contain all the genes needed to make a woman?
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answered How much of the human body is processed sunlight?
Jan
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revised Is there any knowledge of physics can be applied in to evolution?
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