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25 Cell Membrane, Photosynthesis, Cellular Respiration, Enzymes

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

Type of diffusion where water diffuses across a membrane

a)

Diffusion

b)

Infusion

c)

Passive Distribution

d)

Osmosis

2.

process by which organisms maintain a stable internal environment

a)

Active Site

b)

Homeostasis

c)

Diffusion

d)

State of equality

3.
What are the products of photosynthesis?
a)

carbon dioxide and water

b)

carbon dioxide and oxygen

c)

glucose (sugar) and oxygen

d)

glucose (sugar) and water

4.

What are the products of cellular respiration?

a)

carbon dioxide and water

b)

carbon dioxide and oxygen

c)

glucose (sugar) and oxygen

d)

glucose (sugar) and water

5.

What are the reactants of cellular respiration?

a)

carbon dioxide and water

b)

carbon dioxide and oxygen

c)

glucose (sugar) and oxygen

d)

glucose (sugar) and water

6.

The reactants of photosynthesis are

a)

glucose (sugar) and water.

b)

glucose (sugar) and oxygen.

c)
carbon dioxide and water.
d)
carbon dioxide and oxygen.
7.

What is this organelle? What are the products? (Choose 2 answers)

a)

Chloroplast

b)

Glucose & Oxygen

c)

Mitochondria

d)

Water & Carbon Dioxide

8.

What is this organelle? What are the products? (Choose 2 answers)

a)

Mitochondria

b)

Oxygen; glucose

c)

Chloroplast

d)

Carbon dioxide; water

9.

_______ is the source of energy is needed for photosynthesis, whereas _______ is the source of energy for cellular respiration.

a)

Solar energy; glucose

b)

Glucose; solar energy

c)

ATP; glucose

d)

Water; ATP

10.
How can photosynthesis be related to cellular respiration?
a)
What's produced (made) by one is needed (the reactants) for the other
b)
They both produce the same products
c)
They both have the same reactants (need the same things)
d)
These 2 processes have nothing in common
11.

A molecule made of proteins that catalyze chemical reactions is called a -

a)

cell membrane

b)

enzyme

c)

chloroplast

d)

mitochondria

12.
What is the function of an enzyme?
a)
enzymes break themselves into small pieces
b)
enzymes slow down chemical reactions
c)
enzymes speed up chemical reactions
d)
enzymes combine products to form reactants 
13.

What happens when enzymes are heated to a high temperature?

a)

The enzymes die.

b)

The shape of the enzyme denatures and can no longer bind to the substrate

c)

The enzymes' amino acid sequence changes.

d)

The enzymes remain the same

14.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
15.

Enzymes must have a shape complimentary to their matching substrate. They fit together like a -

a)
Lock and key
b)
hammer and nail
c)
two hands pattern
16.

Which of the following of the following transports would require ATP?

a)

A

b)

B

c)

C

17.

______ transport requires energy (ATP), _____ transport does not.

a)

Active; passive

b)

Facilitated; Active

c)

Passive; Active

d)

Passive; Osmosis

18.

The cell membrane allows certain things to travel in and out of the cell. The cell membrane is made up of -

a)

lipids

b)

carbohydrates

c)

proteins

d)

DNA

19.
After the enzyme and substrate bind together and perform the reaction, what does the substrate become?
a)
a substrate
b)
an enzyme
c)
a product
d)
an active site
20.

Which of the following solutions is an example of active transport?

Solution A: The concentration of solute was higher outside the cell than on the inside. Molecules moved OUT.

Solution B: The concentration of solute was higher outside the cell than on the inside. Molecules moved IN.

a)

Solution A

b)

Solution B