BIOCATALYSIS

Quiz
•
Biology
•
12th Grade
•
Easy
Standards-aligned
Puteri Balqis
Used 271+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements regarding enzyme is TRUE
Enzyme decreases the free energy change of a reaction
Enzyme changes the direction of chemical reaction
Enzyme increase rate of reaction
Enzyme prevents changes in substrate concentration
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An enzyme catalyses a reaction by …
lowering the energy of activation of a reaction
supplying the energy to speed up a reaction.
lowering the free energy of a reaction.
changing the equilibrium of a spontaneous reaction.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the active site of an enzyme?
A region that binds allosteric regulators of the enzyme
A region that binds the products of the catalytic reaction
A region that is inhibited by the presence of a coenzyme or a cofactor
A region that is involved in the catalytic reaction of the enzyme
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zinc, an essential trace element for most organisms, is present in the active site of enzyme carboxypeptidase. The zinc most likely functions as
a cofactor necessary for enzyme activity
a competitive inhibitor of the enzyme
a non-competitive inhibitor of the enzyme
a coenzyme derived from a vitamin
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Watch the animation and identify the hypothesis involved
Lock and Key hypothesis
Induced Fit hypothesis
Enzyme-Substrate hypothesis
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NAD+ is the example of
metal ions
coenzyme
prosthetic group
7.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
Tags
NGSS.MS-LS1-7
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