11. Milk digestibility is improved by using
A. RNase
B. lactase
C. β-amylase
D. none of these
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
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
14. Hersperidinase is used for
A. juice clarification
B. juice debittering
C. off-flavor reduction
D. RNA reduction in fish
15. Which of the following metallic ion is there in ascorbic acid oxidase?
A. Mg
B. Fe
C. Cu
D. Mn