What makes one protein capable of a different function than other proteins?

Which rate indicates the number of children that would be born per women if she were to live to the end of her child-bearing years

Mulitple choice which of the following is a function of the nucleus? a. stores dna b. stores sugars c. builds proteins d. packages proteins

If we assume that, in the african savanna, rainfall and the amount of grass is plentiful, what other factor would best explain a reduced antelope population?