Some scientists believe that RNA was the first information storage molecule because ____
a. some viruses use RNA as their information storage molecule
b. RNA can be an enzymatic catalyst as well as an information storage molecule
c. amino acids cannot form peptide bonds without ribosomes to catalyze their formation
d. RNA is a less stable molecule than DNA
e. proteins are made of far more amino acid monomers (over 20) than RNA (4)
ANSWER: b
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