Answer:
I am not sure but I think it is 2
Answer:
D. respiration
Explanation:
It is basically a process that takes place in the cells of organisms. It converts chemical energy from oxygen molecules or even nutrients into ATP.
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Endo = enter
This means when things enter into the cell, I hope this helped
Skeletal mass increases dramatically during childhood and adolescence, and decreases dramatically at the beginning of the fourth decade of life and decreases with age, with an exception of the skull.
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All amino acids are structurally the same, in that they contain a central carbon atom, an amine group, a lone hydrogen at. Our DNA is contained in our chromosomes. The thing that is different about each of the 20 amino acids is the make-up of the R group