1
MSAP Practice Questions and Correct
Answers
A medical student is pre-reading notes before a lecture
which will discuss the proteins involved in prokaryotic
DNA replication. The student notes that quite often in
biochemistry, an enzyme will have two names.
Prokaryotic initiator proteins are also referred to as
_____? " Answer: DNaA
A scientist is studying the activity of DNA polymerase in
bacteria that has lost the ability to repair base pair
mis-incorporation. Which of the following DNA
polymerase activities is likely defective? Answer: 3' to
5' exonuclease activity
Which of the following statements is correct with
respect to RNA synthesis? Answer: RNA polymerase
does not require a primer to initiate synthesis
The term used to describe the strand of DNA that is
used as a template during the synthesis of an RNA
transcript is: Answer: antisense strand
Pretest - Stuvia US
, 2
Which of the following bases does RNA polymerase
incorporate into a growing RNA molecule when it reads
Adenine on the template strand? Answer: uracil
In eukaryotic mRNA, which of the following structures
are removed to generate the mature mRNA? Answer:
Introns
Which of the following enzymes will attach a particular
amino acid to the 3' end of tRNA? Answer: Aminoacyl
tRNA synthetase
Which of the following are stop codons? Answer: UAA,
UGA, UAG
Which of the following definitions best describes a
zwitterion? Answer: A molecule having separate
positively and negatively charged groups
The amino acid sequence most likely describes which of
the following levels of protein structure? Answer:
primary
The final structure of a cytosolic protein depends on the
formation of many different types of chemical bonds
Pretest - Stuvia US
MSAP Practice Questions and Correct
Answers
A medical student is pre-reading notes before a lecture
which will discuss the proteins involved in prokaryotic
DNA replication. The student notes that quite often in
biochemistry, an enzyme will have two names.
Prokaryotic initiator proteins are also referred to as
_____? " Answer: DNaA
A scientist is studying the activity of DNA polymerase in
bacteria that has lost the ability to repair base pair
mis-incorporation. Which of the following DNA
polymerase activities is likely defective? Answer: 3' to
5' exonuclease activity
Which of the following statements is correct with
respect to RNA synthesis? Answer: RNA polymerase
does not require a primer to initiate synthesis
The term used to describe the strand of DNA that is
used as a template during the synthesis of an RNA
transcript is: Answer: antisense strand
Pretest - Stuvia US
, 2
Which of the following bases does RNA polymerase
incorporate into a growing RNA molecule when it reads
Adenine on the template strand? Answer: uracil
In eukaryotic mRNA, which of the following structures
are removed to generate the mature mRNA? Answer:
Introns
Which of the following enzymes will attach a particular
amino acid to the 3' end of tRNA? Answer: Aminoacyl
tRNA synthetase
Which of the following are stop codons? Answer: UAA,
UGA, UAG
Which of the following definitions best describes a
zwitterion? Answer: A molecule having separate
positively and negatively charged groups
The amino acid sequence most likely describes which of
the following levels of protein structure? Answer:
primary
The final structure of a cytosolic protein depends on the
formation of many different types of chemical bonds
Pretest - Stuvia US
