Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Molecules and the Cell Membrane

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

This molecule is a waste product for humans. We breathe this out. What is the name of this molecule?

a)

water

b)

oxygen

c)

carbon dioxide

d)

glucose (sugar)

2.

This molecule is essential for human life. We must breathe it in to survive. What is the name of this molecule?

a)

water

b)

oxygen

c)

carbon dioxide

d)

glucose (sugar)

3.

This molecule makes up 90% of your blood and 80% of your cytoplasm. What is the name of this molecule?

a)

water

b)

oxygen

c)

carbon dioxide

d)

glucose (sugar)

4.

This molecule is also called a CARBOHYDRATE (made of carbon, hydrogen, oxygen), and is found in foods like pasta, candy, and rice. What kind of molecule is this?

a)

water

b)

oxygen

c)

carbon dioxide

d)

glucose (sugar)

5.

Letter E. in the diagram is pointing to this double-layer of fats that make up the cell membrane. It's called:

a)

the double fatty layer

b)

the phospholipid bilayer

c)

the blubbery bilayer

d)

the phopholipitty dippity doo

6.

Letter F. in the diagram is pointing to which kind of protein?

a)

a globular (pore) protein

b)

a glycoprotein (cellular "nametag"

c)

a channel protein

d)

a fibrous (receptor) protein

7.

Letter G in the diagram is which kind of protein?

a)

a globular (pore) protein

b)

a glycoprotein (cellular "nametag")

c)

a fibrous (receptor) protein

d)

a channel protein

8.

Letter H in the diagram points to which kind of protein?

a)

a globular (pore) protein

b)

a glycoprotein (cellular "nametag")

c)

a channel protein

d)

a fibrous (receptor) protein

9.

Letter I. is pointing to which kind of protein?

a)

a globular (pore) protein

b)

a channel protein

c)

a fibrous "receptor" protein

d)

a glycoprotein (cellular "nametag")

10.

Glucose is a sugar that gains entry into our cells only when insulin binds and unlocks the cell and opens the "gates". Based on the image, which two types of proteins in the cell membrane work together to get glucose inside? Select TWO answers!

a)

a glycoprotein (cellular "nametag")

b)

a fibrous "receptor" protein

c)

a globular (pore) protein

d)

a channel protein