Which of the following is a characteristic of proteins?
a) some may enhance the rate of specific chemical reactions.
b) they may form either long, thin fibrous molecules or compact, rounded globular molecules.
c) they store genetic information for cellular metabolism.
d) they form through hydrolysis reactions.
e) a and b

E. Both A and B.

Enzymes, which can catalyze chemical reactions, are a type of protein. Moreover, proteins can either be fibrous and insoluble in water like actin and myacin, or globular and soluble like hemoglobin. DNA, which stores the genetic information, is not made of proteins. Lastly, proteins are made through the translation of mRNA at the ribosomes.

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