BIOCATALYSIS

BIOCATALYSIS

12th Grade

10 Qs

quiz-placeholder

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BIOCATALYSIS

BIOCATALYSIS

Assessment

Quiz

Biology

12th Grade

Easy

NGSS
MS-LS1-7

Standards-aligned

Created by

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

Media Image

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

Media Image
What is structure A?
Substrate
Active site
Enzyme
Products

Tags

NGSS.MS-LS1-7

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