Cabohydrate New

Carbohydrates MCQs

1 / 51

11. Which of the following are true or false regarding the reactions? A

2 / 51

10. T/F regarding the ETC E. Requires O2

True

False

3 / 51

10. T/F regarding the ETC D. Requires ATP

True

False

4 / 51

10. T/F regarding the ETC C. Inhibited by oligomycine

True

False

5 / 51

10. T/F regarding the ETC B. Independent of redox potentials of carrier molecules

True

False

6 / 51

10. T/F regarding the ETC A. Take place in mitochondrial matrix

True

False

7 / 51

09. T/F regarding antioxidant E. Superoxide dismutase activity results in degeneration of hydroxyl radicals

True

False

8 / 51

09. T/F regarding antioxidant D. Glutathione peroxidase assist in detoxification of H2O2

True

False

9 / 51

09. T/F regarding antioxidant C. Vit E acts against in lipid peroxidation

True

False

10 / 51

09. T/F regarding antioxidant B. Carotenoids assist in scavenging ROS

True

False

11 / 51

09. T/F regarding antioxidant A. Selenium requires to activate of catalase

True

False

12 / 51

08. True or false E. D-fructose is removed rapidly from the blood than D - glucose

True

False

13 / 51

08. True or false D. OAA allosterically regulates GNG

True

False

14 / 51

08. True or false C. Pentose Phosphate Pathway generates NAD+

True

False

15 / 51

08. True or false B. Cellular levels of cAMP has a direct impact on glycogenolysis

True

False

16 / 51

08. True or false A. Acetyl CoA is completely oxidized into CO2

True

False

17 / 51

07. True or false E. Both X and Y are mitochondrial enzymes

True

False

18 / 51

07. True or false D. Glucose is the only precursor of compound A

True

False

19 / 51

07. True or false C. Y is the key regulatory step of gluconeogenesis

True

False

20 / 51

07. True or false B. Enzyme Y is activated by Acetyl CoA

True

False

21 / 51

07. True or false A. Activity of enzyme X is independent on the NADH/NAD+ ratio

True

False

22 / 51

06. This is a glycogen polymer found in human body E. Proteoglycans are derived from it

True

False

23 / 51

06. This is a glycogen polymer found in human body D. Its structure is similar to Amylopectin

True

False

24 / 51

06. This is a glycogen polymer found in human body C. It is digested by salivary amylase

True

False

25 / 51

06. This is a glycogen polymer found in human body B.

True

False

26 / 51

06. This is a glycogen polymer found in human body A. It is stored in the liver and muscle

True

False

27 / 51

05. T/F regarding TCA and oxidative phosphorylation, E. The Cofactor of Succinate dehydrogenase donate electrons to ETC

True

False

28 / 51

05. T/F regarding TCA and oxidative phosphorylation, D. NADH and NADPH act as electron donors of the complex in oxidative phosphorylation

True

False

29 / 51

05. T/F regarding TCA and oxidative phosphorylation, C. 2,4-DNP dissipates the pH gradient of the mitochondrial membrane

True

False

30 / 51

05. T/F regarding TCA and oxidative phosphorylation, B. TCA cycle generates one molecule of GTP through substrate level phosphorylation

True

False

31 / 51

05. T/F regarding TCA and oxidative phosphorylation, A. High NADH:NAD ratio shifts Pyruvate dehydrogenase equilibrium towards acetyl CoA

True

False

32 / 51

04. T/F regarding antioxidants, E. They are rich in fruits and vegetables

True

False

33 / 51

04. T/F regarding antioxidants, D. They protect phospholipids from ROS

True

False

34 / 51

04. T/F regarding antioxidants, C. Glutathione peroxidase converts peroxides into molecular oxygen

True

False

35 / 51

04. T/F regarding antioxidants, B. Activity of Glutathione reductase needs NADH

True

False

36 / 51

04. T/F regarding antioxidants, A. Ceruloplasmin is an antioxidant protein

True

False

37 / 51

03. T/F regarding PFK-1, E. Phosphorylated form of PFK-1 is active

True

False

38 / 51

03. T/F regarding PFK-1, D. It is activated under high glucogen level

True

False

39 / 51

03. T/F regarding PFK-1, C. ATP acts as a substrate and an inhibitor

True

False

40 / 51

03. T/F regarding PFK-1, B. PFK-1 exhibits a sigmoidal curve under high citrate levels

True

False

41 / 51

03. T/F regarding PFK-1, A. Fructose 2,6-bisphosphate is the most potent allosteric activator of PFK-1

True

False

42 / 51

02. Glyc Glucose 1- E. X is active when phosphorylated

True

False

43 / 51

02. Glyc Glucose 1- D. Y is found only in liver

True

False

44 / 51

02. Glyc Glucose 1- C. Y deficiency causes accumulation of glycogen in muscle

True

False

45 / 51

02. Glyc Glucose 1- B. X removes both 1→6 and 1→4 links of glycosyl units from glycogen molecule

True

False

46 / 51

02. Glyc Glucose 1- A. Phosphorylated form of "X" is active

True

False

47 / 51

01. T/F regarding the Glucose 6 phosphate dehydrogenase E. It converts Glucose to Glucose 6 phosphate

True

False

48 / 51

01. T/F regarding the Glucose 6 phosphate dehydrogenase D. Deficiency is inherited as X linked recessive manner

True

False

49 / 51

01. T/F regarding the Glucose 6 phosphate dehydrogenase C. It inhibits the activity of Fatty acid synthase

True

False

50 / 51

01. T/F regarding the Glucose 6 phosphate dehydrogenase B. Activity is exaggerated during administration of premaquine

True

False

51 / 51

01. T/F regarding the Glucose 6 phosphate dehydrogenase A. Is located in the cytosol

True

False

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