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Pre-Lab Questions
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1
The enzyme amylase accelerates the reaction of changing
A)polysaccharides into monosaccharides.
B)disaccharides into monosaccharides.
C)starch into disaccharides.
D)disaccharides into glucose.
2
Amylase originates from
A)salivary glands and stomach.
B)salivary glands and pancreas.
C)esophagus and stomach.
D)pancreas and intestinal mucosa.
3
The optimum pH for amylase activity is
A)0-14.
B)2.
C)6.8-7.0.
D)7-8.
4
After an enzyme reaction is completed the enzyme
A)is still available.
B)was structurally changed.
C)was denatured.
D)is part of the enzyme-substrate complex.
5
As temperatures decrease, enzyme activity
A)increases.
B)remains unchanged.
C)ceases.
D)decreases.





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