Introduction to Metabolism
What happens to shape of enzyme during an enzymatic reaction?
does not change
changes drastically
changes slightly
turns upside down
changes slightly
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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
Molecule that an enzyme acts on is called:
A. substrate
B. key
C. reactant
D. proton
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