22.  Discoloration can be achieved by using
A.sulphloydryl oxidase
B.proteases
C.anthocyanase
D.all of these

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23. The prosthetic group present in phenolase enzyme is
A.Mg
B.Cu
C.Ca
D.Fe

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24. Enzymes degrade, alter or synthesize a food component through
A.oxidation/reduction/isomerization
B.hydrolysis/synthesis
C.group transfer
D.all of the above

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25. The enzyme β-galactosidase is also known as
A.lactase
B.EC3.2.1.23
C.both (a) and (b)
D.isomerase

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26. Chymosin hydrolyses the bond between
A.Alanine and glycine
B.Phenyl alanine and methonine
C.Glutamic acid and alanine
D.Alanine and phenyl alanine

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