Answer: B
Explanation:
A - not correct since polypeptide chains are formed in ribosomes which exist in the cytoplasm
C. not correct -protein function is determined by DNA
D. not correct - 3 nucleotides aka a codon is encoded into a single amino acid.
I'd go with the third one because the products of both of them are oxygen and carbon dioxide.
If you compare them, Denver has a much colder climate.