In DNA, adenine always pairs with thymine
In RNA, cytosine always pairs with guanine
In RNA, adenine always pairs with uracil
DNA is built from which of the following?
nucleosides
genes nucleotides
purines
nucleotides
codons
The double helix of DNA is stabilized mainly by hydrogen bonds
What pentose sugar is a constituent of DNA? 2-deoxyribose
What pentose sugar is a constituent of RNA? ribose
Pyrimidines have ring(s), containing
1 ring, 2 nitrogens
nitrogen(s).
Purines have ring(s), (each) containing
2 rings, 2 nitrogens
nitrogen(s).
What nucleic acid is responsible for using the encoded
genetic information to produce of proteins found in living ribonucleic acid (RNA)
organisms?
A-T/U
What are the complementary bases?
C-G
How many hydrogen bonds are made between guanine
3 hydrogen bonds are made between G and C
and its complementary nucleotide?
How many hydrogen bonds are made between adenine 2 hydrogen bonds are made between adenine and
and its complementary nucleotide? thymine/uracil
3'-CGTACTCGG-5'
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, Biochem Module 6 Exam Questions and Answers Graded A+
What is the complementary strand of DNA for the base
sequence of DNA 5'-GCATGAGCC-3'?
What is the complementary strand of RNA for the base
3'-CGUAGUCGG-5'
sequence of RNA 5'-GCATGAGCC-3'?
Which type of RNA functions to carry genetic information
mRNA
from the DNA to ribosome?
What is the set of three sequential nucleotides that en-
codon
codes for a particular amino acid?
What type(s) of DNA has a right-handed helix? B-form and A-form
Which of the following is a second messenger in cells?
FAD
cAMP cAMP
AMP
dATP
UTP
Which of the following acts a coenzyme?
FAD
ATP FAD
AMP
cAMP
GGG
Shuttles hydrogen from one molecule to another in en-
What is the function of FAD?
zyme catalyzed reactions
What percentage of ribosomes does rRNA make up? 65%
What percentage of ribosomes does proteins make up? 35%
The conclusion that G and C are present in DNA in
Erwin Chargratt
equimolar is credited to .
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