Introduction to Metabolism
Molecule that an enzyme acts on is called:
substrate
key
reactant
proton
substrate
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What is effect of enzymes on Activation energy?A. uses the energy
B. lowers the energy
C. increases the energy
D. transfers the energy
Non-protein helpers of enzymes are called:
A. cofactors
B. helpers
C. assistors
D. supporter
At which of following pH, enzyme pepsin works best?
A. 10
B. 5
C. 9
D. 2
At which of following pH, enzyme trypsin works best?
A. 8
B. 9
C. 5
D. 6
Substrate is held on enzyme with help of which bond?
A. nitrogen bond
B. covalent bond
C. hydrogen bond
D. carbon bond
Temperature at which most of human enzymes work best is approximately
A. 85 ยฐC
B. 45 ยฐC
C. 25 ยฐC
D. 10 ยฐC
What happens to shape of enzyme during an enzymatic reaction?
A. does not change
B. changes drastically
C. changes slightly
D. turns upside down
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