BIMM 100 Quiz 2 questions well
answered to pass
All four different RNA nucleotides must be available for whole chromosome DNA replication to
occur.
T/F? - correct answer ✔✔ True
Which enzyme functionality is involved in proofreading during DNA replication? - correct
answer ✔✔ 3' to 5' exonuclease
The reason for using Taq polymerase for PCR is that _____. - correct answer ✔✔ it is heat stable
and can withstand the heating step of PCR
In the polymerization of DNA, a phosphodiester bond is formed between a phosphate group of
the nucleotide being added and _____ of the last nucleotide in the polymer. - correct answer
✔✔ 3' -OH
The phase of the cell cycle associated with the doubling of the amount of DNA in the cell is -
correct answer ✔✔ Synthesis; S phase
Hereditary nonpolyposis colorectal cancer (HNPCC) is an inherited disorder. The genetic defect
identified is an error in the mismatch repair mechanism. Which of the following would be an
expected result of this mutation?
a. increased rate of formation of thymine dimers
b. decreased ability to repair chemically changed bases.
c. decreased ability to repair DNA replication errors
answered to pass
All four different RNA nucleotides must be available for whole chromosome DNA replication to
occur.
T/F? - correct answer ✔✔ True
Which enzyme functionality is involved in proofreading during DNA replication? - correct
answer ✔✔ 3' to 5' exonuclease
The reason for using Taq polymerase for PCR is that _____. - correct answer ✔✔ it is heat stable
and can withstand the heating step of PCR
In the polymerization of DNA, a phosphodiester bond is formed between a phosphate group of
the nucleotide being added and _____ of the last nucleotide in the polymer. - correct answer
✔✔ 3' -OH
The phase of the cell cycle associated with the doubling of the amount of DNA in the cell is -
correct answer ✔✔ Synthesis; S phase
Hereditary nonpolyposis colorectal cancer (HNPCC) is an inherited disorder. The genetic defect
identified is an error in the mismatch repair mechanism. Which of the following would be an
expected result of this mutation?
a. increased rate of formation of thymine dimers
b. decreased ability to repair chemically changed bases.
c. decreased ability to repair DNA replication errors
