Biochem Module 8 Exam Answered
Questions (Limited) Latest 2026-2027
Light-driven DNA damage results in _____. - Correct
Answers ✅thymine dimers
The Rho protein terminates transcription by acting as a
_________________. - Correct Answers ✅helicase
Draw the DNA polymerase holoenzyme. - Correct Answers
✅Looks like a hand from the mini lecture.
Exposure to aflatoxin B1 can lead to - Correct Answers
✅DNA damage by alkylation
How does a nucleotide differ from a nucleoside? - Correct
Answers ✅A nucleotide is a nucleoside with a phosphate
ester linked to the sugar.
Adding lactose to E. coli culture results in _________________ of
expression of the lac operon. - Correct Answers ✅induction
_____ is the enzyme that converts polycyclic aromatic
hydrocarbons into a reactive epoxide that alkylates the N-7 of
guanine. - Correct Answers ✅Cytochrome P450
Proofreading by DNA polymerase increases accuracy by a
factor of _________________ times. - Correct Answers ✅1000
, Biochem Module 8 Exam Answered
Questions (Limited) Latest 2026-2027
The coding strand has the _____ sequence as the RNA
transcript (except that it has T instead of U). - Correct
Answers ✅same
What do DNA polymerases require for replication to begin? -
Correct Answers ✅a primer strand to elongate
The nucleoside that is composed of a D-ribose linked to a
cytosine base is called __________________. - Correct
Answers ✅cytidine
A nitrogen containing an aromatic base attached to a ribose
is a(n) _____. - Correct Answers ✅nucleoside
The three-strand structure involved in strand invasion is: -
Correct Answers ✅D loop
How many different sequence possibilities are there for a
DNA polymer that is 10 bases long? - Correct Answers
✅1,048,576
In E. coli, mismatch repair involves: - Correct Answers
✅recognition of mismatched pair by MutS, cleavage of the
backbone by MutH
Questions (Limited) Latest 2026-2027
Light-driven DNA damage results in _____. - Correct
Answers ✅thymine dimers
The Rho protein terminates transcription by acting as a
_________________. - Correct Answers ✅helicase
Draw the DNA polymerase holoenzyme. - Correct Answers
✅Looks like a hand from the mini lecture.
Exposure to aflatoxin B1 can lead to - Correct Answers
✅DNA damage by alkylation
How does a nucleotide differ from a nucleoside? - Correct
Answers ✅A nucleotide is a nucleoside with a phosphate
ester linked to the sugar.
Adding lactose to E. coli culture results in _________________ of
expression of the lac operon. - Correct Answers ✅induction
_____ is the enzyme that converts polycyclic aromatic
hydrocarbons into a reactive epoxide that alkylates the N-7 of
guanine. - Correct Answers ✅Cytochrome P450
Proofreading by DNA polymerase increases accuracy by a
factor of _________________ times. - Correct Answers ✅1000
, Biochem Module 8 Exam Answered
Questions (Limited) Latest 2026-2027
The coding strand has the _____ sequence as the RNA
transcript (except that it has T instead of U). - Correct
Answers ✅same
What do DNA polymerases require for replication to begin? -
Correct Answers ✅a primer strand to elongate
The nucleoside that is composed of a D-ribose linked to a
cytosine base is called __________________. - Correct
Answers ✅cytidine
A nitrogen containing an aromatic base attached to a ribose
is a(n) _____. - Correct Answers ✅nucleoside
The three-strand structure involved in strand invasion is: -
Correct Answers ✅D loop
How many different sequence possibilities are there for a
DNA polymer that is 10 bases long? - Correct Answers
✅1,048,576
In E. coli, mismatch repair involves: - Correct Answers
✅recognition of mismatched pair by MutS, cleavage of the
backbone by MutH
