AFNS — AFNS Biology
Enzymes
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#9 Lock and key model relates to:
A) Enzyme-substrate specificity
B) DNA replication
C) Photosynthesis
D) Osmosis
Answer: A
#10 Active site is on:
A) Enzyme
B) Substrate only
C) Product only
D) Water
Answer: A
#11 Optimum temperature for human enzymes is about:
A) 37 C
B) 0 C
C) 100 C
D) 60 C
Answer: A
#12 High temperature usually:
A) Denatures enzymes
B) Improves all enzymes
C) Has no effect
D) Creates enzymes
Answer: A
#13 Extreme pH usually:
A) Denatures enzymes
B) Always activates
C) Doubles rate always
D) Forms DNA
Answer: A
#14 Competitive inhibitor binds to:
A) Active site
B) Nucleus
C) Cell wall
D) Ribosome
Answer: A
#15 Non-competitive inhibitor binds to:
A) Allosteric site
B) Active site only
C) DNA
D) RNA only
Answer: A
#16 Enzyme names often end with:
A) -ase
B) -ose
C) -ine
D) -ate
Answer: A
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