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Enzymes
Test Description: Enzyme General Questions
Instructions: Answer all questions to get your test result.
1) Enzymes are
A
deformed in a reaction.
B
consumed in a reaction.
C
able to be reused.
2) When enzymes are exposed to high/low temperatures or pH, they can become_____.
A
specific.
B
proteins.
C
denatured.
D
destroyed.
3) Most enzymes are which biomolecule?
A
carbohydrate
B
protein
C
lipid
D
nucleic acid
4) Another name for anything that speeds up a reaction is a _________.
A
catalyst
B
protein
C
speedster
D
substrate
5) Enzymes speed up reactions by _______________ the activation energy of the reaction.
A
lowering
B
increasing
C
controlling
D
speeding up
6) The initial substance that binds with the enzyme's active site is called a _____.
A
substrate (or reactant)
B
protein
C
product
D
catalyst
7) The end result of a reaction is called the _________.
A
enzyme
B
product
C
protein
D
substrate
8) The ___________ is where the substrate binds to the enzyme.
A
special site
B
site of reaction
C
active site
D
substrate site
9) When enzymes build up a product from 2 or more substrated, this is called _________.
A
combination
B
decomposition
C
synthesis
10) Enzymes and substrates are often compared to ____________.
A
a set of keys
B
a lock and key
C
a set of locks
D
a product and reaction
*select an answer for all questions
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