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BIOCHEM MODULE 6 EXAM QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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BIOCHEM MODULE 6 EXAM QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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BIOCHEM MODULE 6 EXAMQUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
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?
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?
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?
FAD
cAMP
AMP
dATP
UTP
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