CHE 4342 EXAM REVIEW QUESTIONS AND
100% CORRECT ANSWERS!!
Glycogen Synthesis is inhibited by which of the following?
I. ATP
II. Pi
III. ADP
IV. G6P
A. I and III
B. I, III, and IV
C. I, II, and III
D. IV
E. IV and II
C. I, II, and III
Which of the following Polymerases have 5' → 3' exonuclease activity?
A. Pol I
B. Pol II
C. Pol III
D. Pol I and Pol II
E. Pol I, Pol II, and Pol III
A. Pol I
Which of the following is true with respect to Helicases?
A. Bacteria encircle and translocate on the 5' to 3' direction
B. Eukaryotes and archaea translocate on the lagging strand
C. Translocation polarity is conserved
,D. Helicases do not require ATP hydrolysis
E. Structure among Helicases is not conserved
A. Bacteria encircle and translocate on the 5' to 3' direction
Which of the following pairs of DNA damaging agents and repair processes is correct?
A. X-Ray damange and Nucleotide-excision repair
B. Replication errors and Base-excision repair
C. Alkylating agents and Recombinational repair
D. UV light and Mismatch repair
E. cis-Pt and Recombinational repair
E. cis-Pt and Recombinational repair
What translocation mechanism is used in glucose transport?
a. antiport
b. symport
c. uniport
d. indirect port
e. b& c
b. symport
When NADPH is needed what is converted in the pentose phosphate pathway?
a. Fructose-6-phosphate
b. GAP
c. Glucose-6-Phosphate
d. Ribose-5-Phosphate
e. Ribulose- 5-phosphate
d. Ribose-5-Phosphate
What point in the pentose phosphate pathway does the rate-limiting step occur?
a. step 1: Glucose-6-Phosphate Dehydrogenase
b. step 6: Transketolase
, c. Step 3: Phosphogluconate dehydrogenase
d. Step 5: Ribulose-5-phosphate epimerase
e. Step 7: Transaldolase
a. step 1: Glucose-6-Phosphate Dehydrogenase
The glucogenic degradation of aspartate to oxaloacetate is what kind of reaction?
a. decarboxylation
b. oxidation
c. transamination
d. condensation
e. dehydrogenase
c. transamination
What amino acid could be a product of methionine breakdown?
a. alanine
b. cysteine
c. serine
d. asparagine
e. glutamine
b. cysteine
The R2 dimer on ribonucleotide reductase contains
I. metal coordination
II. hexamerization
III. specificity sites
a. I &II
b. I & III
c. I, II & III
d. III
e. I
100% CORRECT ANSWERS!!
Glycogen Synthesis is inhibited by which of the following?
I. ATP
II. Pi
III. ADP
IV. G6P
A. I and III
B. I, III, and IV
C. I, II, and III
D. IV
E. IV and II
C. I, II, and III
Which of the following Polymerases have 5' → 3' exonuclease activity?
A. Pol I
B. Pol II
C. Pol III
D. Pol I and Pol II
E. Pol I, Pol II, and Pol III
A. Pol I
Which of the following is true with respect to Helicases?
A. Bacteria encircle and translocate on the 5' to 3' direction
B. Eukaryotes and archaea translocate on the lagging strand
C. Translocation polarity is conserved
,D. Helicases do not require ATP hydrolysis
E. Structure among Helicases is not conserved
A. Bacteria encircle and translocate on the 5' to 3' direction
Which of the following pairs of DNA damaging agents and repair processes is correct?
A. X-Ray damange and Nucleotide-excision repair
B. Replication errors and Base-excision repair
C. Alkylating agents and Recombinational repair
D. UV light and Mismatch repair
E. cis-Pt and Recombinational repair
E. cis-Pt and Recombinational repair
What translocation mechanism is used in glucose transport?
a. antiport
b. symport
c. uniport
d. indirect port
e. b& c
b. symport
When NADPH is needed what is converted in the pentose phosphate pathway?
a. Fructose-6-phosphate
b. GAP
c. Glucose-6-Phosphate
d. Ribose-5-Phosphate
e. Ribulose- 5-phosphate
d. Ribose-5-Phosphate
What point in the pentose phosphate pathway does the rate-limiting step occur?
a. step 1: Glucose-6-Phosphate Dehydrogenase
b. step 6: Transketolase
, c. Step 3: Phosphogluconate dehydrogenase
d. Step 5: Ribulose-5-phosphate epimerase
e. Step 7: Transaldolase
a. step 1: Glucose-6-Phosphate Dehydrogenase
The glucogenic degradation of aspartate to oxaloacetate is what kind of reaction?
a. decarboxylation
b. oxidation
c. transamination
d. condensation
e. dehydrogenase
c. transamination
What amino acid could be a product of methionine breakdown?
a. alanine
b. cysteine
c. serine
d. asparagine
e. glutamine
b. cysteine
The R2 dimer on ribonucleotide reductase contains
I. metal coordination
II. hexamerization
III. specificity sites
a. I &II
b. I & III
c. I, II & III
d. III
e. I
