Enzymes and Application – Section 1

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  • / Author: GkFeed Team

11. Milk digestibility is improved by using

A. RNase
B. lactase
C. β-amylase
D. none of these

Correct Answer: B. lactase

12. Which of the following mainly serve to convert starch into high fructose corn syrup (HFCS)?

A. α-amylase
B. Gluco-isomerase
C. Glucoamylase
D. all of these

Correct Answer: D. all of these

13. Lysozyme

A. catalyzed hydrolysis of β-1-4 linkages between N-acetylmuramic acid and N-acetyl glucosamine in peptidoglycan
B. catalyzed hydrolysis of α-1-4 linkages between N-acetylmuramic acid and N-acetyl glucosamine in peptidoglycan
C. catalyzed hydrolysis of α-1-4 linkages between N-acetylmuramic acid and N-diacetyl glucosamine in peptidoglycan
D. all of the above

Correct Answer: A. catalyzed hydrolysis of β-1-4 linkages between N-acetylmuramic acid and N-acetyl glucosamine in peptidoglycan

14. Hersperidinase is used for

A. juice clarification
B. juice debittering
C. off-flavor reduction
D. RNA reduction in fish

Correct Answer: A. juice clarification

15. Which of the following metallic ion is there in ascorbic acid oxidase?

A. Mg
B. Fe
C. Cu
D. Mn

Correct Answer: C. Cu
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