Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Enzymes and metabolism

Total questions: 11

Worksheet time: 13mins

Name
Class
Date
1.

AA + ENERGY ---> A A

a)

Anabolic reaction

b)

Catabolic reaction

c)

Hydrolisis

2.

Which statement is true regarding the catabolic pathway?

a)

Molecules are synthesized using dehydration synthesis

b)

Polymers are broken down into their monomeres

c)

Catabolic pathways are used to construct macromolecules such as carbs, lipids and proteins

d)

Catabolic reactions consume energy

3.

Enzymes are biological (a)   that speed up chemical reactions in living organisms

4.

Enzymes are protein molecules, which are made up of long chains of _________ ___________

(a)  

5.

What is arrow A signaling?

(a)  

6.

What is arrow B signaling?

(a)  

7.

What is the name of structure C

a)

Substrate

b)

Enzyme

c)

Inhibitor

d)

Key

8.

Sucrase is an enzyme that breaks down

(a)  

9.

Protease is an enzyme that breaks down

(a)  

10.

The stomach produces hydrochloric acid which increases the acidity of the stomach to the optimum pH for stomach enzymes to digest the food. However, digestive enzymes found in the small intestine are damaged by strongly acidic conditions. According to the information provided above, which statement is not correct?

a)

Small intestine enzymes work better under basic conditions

b)

Acidic pH does modifies stomach enzymes activity

c)

Enzymes' activity of the small intestine decreases in acidic environments

11.

The stomach produces hydrochloric acid which increases the acidity of the stomach to the optimum pH for stomach enzymes to digest the food. However, digestive enzymes found in the small intestine are damaged by strongly acidic conditions. According to the information provided above, which statement is correct?

a)

Small intestine enzymes work better under basic conditions

b)

Acidic pH does modifies stomach enzymes activity

c)

Enzymes' activity of the small intestine decreases in acidic environments

d)

pH affects the activity of certain enzymes