CHEM 210 BIOCHEMISTRY MODULE 5 EXAM SCRIPT 2026 QUESTIONS WITH CORRECT ANSWERS

CHEM 210 BIOCHEMISTRY MODULE 5 EXAM
SCRIPT 2026 QUESTIONS WITH CORRECT
ANSWERS

◉ guanine. Answer: In RNA, cytosine always pairs with


◉ uracil. Answer: In RNA, adenine always pairs with


◉ nucleotides. Answer: DNA is built from which of the following?


nucleosides
genes
purines
nucleotides
codons


◉ hydrogen bonds. Answer: The double helix of DNA is stabilized
mainly by


◉ 2-deoxyribose. Answer: What pentose sugar is a constituent of
DNA?

, ◉ ribose. Answer: What pentose sugar is a constituent of RNA?


◉ 1 ring, 2 nitrogens. Answer: Pyrimidines have ________ ring(s),
containing ______ nitrogen(s).


◉ 2 rings, 2 nitrogens. Answer: Purines have ________ ring(s), (each)
containing ______ nitrogen(s).


◉ ribonucleic acid (RNA). Answer: What nucleic acid is responsible
for using the encoded genetic information to produce of proteins
found in living organisms?


◉ A-T/U
C-G. Answer: What are the complementary bases?


◉ 3 hydrogen bonds are made between G and C. Answer: How many
hydrogen bonds are made between guanine and its complementary
nucleotide?


◉ 2 hydrogen bonds are made between adenine and thymine/uracil.
Answer: How many hydrogen bonds are made between adenine and
its complementary nucleotide?