MOL114 Midterm; 1st Semester
Multiple Choice Questions -40-
1. Intravascular hemolysis causes:
Increased serum levels of LDH
2. Non-competitive inhibition:
Decreases V-max
3. TCA cycle involves both synthesis & degradation, it is called:
a. Amphibolic
b. Catabolic
c. Anabolic
d. Bipolar
e. Amphipathic
4. The conversion of pyruvate to Acetyl-CoA:
a. Involves lipoic acid
b. Catalyzed by pyruvate decarboxylase
5. A scientist wants to create a transgenic mouse that can digest cellulose. To
do that, he needs to insert a gene for:
a. β (1-4) glucosidase
b. β (1-6) glucosidase
c. α (1-6) & β (1-4)
6. A patient, diagnosed with Hepatitis A, has malaise, fatigue. He has:
a. Raised serum aspartate aminotransferase
b. Raised LDH
7. Which of the following inhibits both the ketoglutarate dehydrogenase
complex and succinate dehydrogenase complex?
a. NADH
b. ATP
c. Ca++
, 8. Which of the following enzymes provide the bacteria with NAD+?
Lactate dehydrogenase
9. What type of inhibition is observed when allopurinol inhibits xanthine
oxidase?
a. Non-competitive inhibition
b. Feedback inhibition
c. Competitive
10. Given delta G = + 3.4 , which of the following is true?
At standard conditions the reaction will not occur spontaneously
11. In reaction where A was changed into B, delta G= 3.2, and we had equal
concentrations of both, which of the following could be true?
a. There is no net chemical change
b. It favors a backward reaction
c. More reactants than products
12. Which of the following is true regarding the mitochondria?
a. It has an impermeable inner membrane to molecules and ions
b. Outer membrane is highly folded
c. Glycolytic enzymes are present in the matrix
13. A patient was advised to eat less glucose containing food and start
exercising, which of the following would happen?
a. Increase uptake of glucose by liver
b. Increase Insulin dependent glucose transporter (GLUT4)
14. What does the heat/energy present as?
a. Enthalpy
b. Entropy
15. What are arabinose and ribose:
Epimers
Multiple Choice Questions -40-
1. Intravascular hemolysis causes:
Increased serum levels of LDH
2. Non-competitive inhibition:
Decreases V-max
3. TCA cycle involves both synthesis & degradation, it is called:
a. Amphibolic
b. Catabolic
c. Anabolic
d. Bipolar
e. Amphipathic
4. The conversion of pyruvate to Acetyl-CoA:
a. Involves lipoic acid
b. Catalyzed by pyruvate decarboxylase
5. A scientist wants to create a transgenic mouse that can digest cellulose. To
do that, he needs to insert a gene for:
a. β (1-4) glucosidase
b. β (1-6) glucosidase
c. α (1-6) & β (1-4)
6. A patient, diagnosed with Hepatitis A, has malaise, fatigue. He has:
a. Raised serum aspartate aminotransferase
b. Raised LDH
7. Which of the following inhibits both the ketoglutarate dehydrogenase
complex and succinate dehydrogenase complex?
a. NADH
b. ATP
c. Ca++
, 8. Which of the following enzymes provide the bacteria with NAD+?
Lactate dehydrogenase
9. What type of inhibition is observed when allopurinol inhibits xanthine
oxidase?
a. Non-competitive inhibition
b. Feedback inhibition
c. Competitive
10. Given delta G = + 3.4 , which of the following is true?
At standard conditions the reaction will not occur spontaneously
11. In reaction where A was changed into B, delta G= 3.2, and we had equal
concentrations of both, which of the following could be true?
a. There is no net chemical change
b. It favors a backward reaction
c. More reactants than products
12. Which of the following is true regarding the mitochondria?
a. It has an impermeable inner membrane to molecules and ions
b. Outer membrane is highly folded
c. Glycolytic enzymes are present in the matrix
13. A patient was advised to eat less glucose containing food and start
exercising, which of the following would happen?
a. Increase uptake of glucose by liver
b. Increase Insulin dependent glucose transporter (GLUT4)
14. What does the heat/energy present as?
a. Enthalpy
b. Entropy
15. What are arabinose and ribose:
Epimers
