Carbohydrate – Section 1

16. The NAG6 substrate is hydrolyzed by human lysozyme to form

A. 6 glucosamines + 6 acetic acids
B. NAG4+ NAG2
C. NAG3+ NAG3
D. NAG3

Correct Answer: B. NAG4+ NAG2

17. Gluconeogenesis uses

A. 3 ATPs and 2 GTPs per glucose
B. 2 ATPs and 1 GTPs per glucose
C. 3 ATPs and 3 GTPs per glucose
D. 4 ATPs and 2 GTPs per glucose

Correct Answer: D. 4 ATPs and 2 GTPs per glucose

18. Saliva contains all of the following except

A. hormones
B. amylase
C. bacteria-killing enzymes
D. antibodies

Correct Answer: A. hormones

19. The conversion of pyruvate to oxaloacetate

A. requires biotin
B. involves the fixation of carbon dioxide
C.occurs in the mitochondria
D.all of the above

Correct Answer: A. requires biotin

20. Gluconeogenesis is the

A. formation of glycogen
B. breakdown of glucose to pyruvate
C. breakdown of glycogen to glucose
D. synthesis of glucose from non-carbohydrate precursors

Correct Answer: D. synthesis of glucose from non-carbohydrate precursors

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