Yes, by a few days cats were created before man.
I think c but choose at your risk!
Answer:
Salt is dissolved in warm water
Explanation:
The other answers are physical changes.
Paul Zamecnik and his colleagues carried
out an experiment to track the fate of radioactive leucine molecules attached
to tRNAs (Transport RNAs). In their experiment, they found out that amino acids
are transferred from tRNAs to proteins. Paul Zamecnik, an American scientist, played
a major role in the early history of molecular biology.
Answer:
A. Valine has replaced glutamic acid
Explanation:
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