The purines of DNA are
A) adenine and guanine.
B) thymine and adenine.
C) serine and threonine.
D) thymine and uracil.
E) thymine and adenine AND thymine and uracil.
Correct Answer:
Verified
Q42: Proteins
A)are involved in almost every important function
Q43: A protein
A)assumes any number of equally functional
Q44: The most important molecule(s)in the world is(are)
A)water.
B)protein.
C)carbohydrates.
D)nucleic
Q45: Side chains are important to proteins because
Q46: The characteristic common to all lipids is
Q48: Which is true of nucleotides?
A)They are the
Q49: Which is (are)true of lipids?
A)They are a
Q50: L-amino acids occur in proteins and are
Q51: Dehydration reactions are involved in
A)the formation of
Q52: The end of the nucleic acid chain
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