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Formative assessment 1

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is needed before a chemical reaction takes place?

a)

Free energy

b)

Enzyme

c)

Activation energy

d)

Cofactor

2.

Where does the substrate binds in an enzyme?

a)

Active site

b)

Allosteric site

c)

Activator

d)

Coenzyme

3.

All of the following is an example of an activator except?

a)

Magnesium

b)

Cobalamin

c)

Calcium

d)

Cobalt

4.

Complete active enzyme

a)

Proenzyme

b)

Apoenzyme

c)

Isoenzyme

d)

Holoenzyme

5.

The three-dimensional shape of the _ is a vital determinant in the recognition and specificity process.

a)

Substrate

b)

Active site

c)

Allosteric Site

d)

Cofactor

6.

The reaction catalyzed by an enzyme produce only the product without minor byproduct formed.

a)

Binding specificity

b)

Absolute reaction specificity

c)

Stereoselective

d)

Substrate specificity

7.

Enzyme conforms to the shape of the the substrate.

a)

Lock and key model

b)

Induced fit model

c)

Enzyme conformity theory

d)

Isoconformational model

8.

The enzyme has an EC code of 2.6.1.1. What is the classification of the enzyme?

a)

Lyases

b)

Isomerase

c)

Hydrolase

d)

Transferase

9.

An enzyme catalyzed a reaction by eliminating a group to form a double bond. What is the enzyme classification

a)

Lyase

b)

Hydrolase

c)

Transferase

d)

Oxidoreductase

10.

Enzymes affects the value of equilibrium constant between reactants and the product.

a)

True

b)

False