BIOCHEM C785 BIOCHEMISTRY
PREASSESSMENT COMPREHENSIVE STUDY
GUIDE 2026 FULL QUESTIONS AND
SOLUTIONS GRADED A+
◍ thymine.
Answer: In DNA, adenine always pairs with
◍ 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?nucleosidesgenespurinesnucleotidescodons
◍ 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/UC-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?
◍ 3'-CGTACTCGG-5'.
Answer: What is the complementary strand of DNA for the base sequence of
DNA 5'-GCATGAGCC-3'?
◍ 3'-CGUAGUCGG-5'.
Answer: What is the complementary strand of RNA for the base sequence of
RNA 5'-GCATGAGCC-3'?
◍ mRNA.
Answer: Which type of RNA functions to carry genetic information from the
DNA to ribosome?
◍ codon.
Answer: What is the set of three sequential nucleotides that encodes for a
particular amino acid?
◍ B-form and A-form.
Answer: What type(s) of DNA has a right-handed helix?
◍ cAMP.
Answer: Which of the following is a second messenger in
cells?FADcAMPAMPdATPUTP
PREASSESSMENT COMPREHENSIVE STUDY
GUIDE 2026 FULL QUESTIONS AND
SOLUTIONS GRADED A+
◍ thymine.
Answer: In DNA, adenine always pairs with
◍ 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?nucleosidesgenespurinesnucleotidescodons
◍ 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/UC-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?
◍ 3'-CGTACTCGG-5'.
Answer: What is the complementary strand of DNA for the base sequence of
DNA 5'-GCATGAGCC-3'?
◍ 3'-CGUAGUCGG-5'.
Answer: What is the complementary strand of RNA for the base sequence of
RNA 5'-GCATGAGCC-3'?
◍ mRNA.
Answer: Which type of RNA functions to carry genetic information from the
DNA to ribosome?
◍ codon.
Answer: What is the set of three sequential nucleotides that encodes for a
particular amino acid?
◍ B-form and A-form.
Answer: What type(s) of DNA has a right-handed helix?
◍ cAMP.
Answer: Which of the following is a second messenger in
cells?FADcAMPAMPdATPUTP
