Cell Structure and Function Quiz

Did you ever wonder why cancer is so difficult to treat?

What are the three principal parts of a cell?

List the three main parts of a cell and explain their functions.

What is the glycocalyx?

When stimulating a cell, the hormone insulin first binds to a protein in the plasma membrane. This action best represents which membrane protein function?

• Enzyme

• Receptor

• Linker

• Carrier

• Ion channel

How do hydrophobic and hydrophilic regions govern the arrangement of membrane lipids in a bilayer?

What substances can and cannot diff use through the lipid bilayer?

“The proteins present in a plasma membrane determine the functions that a membrane can perform.” Is this statement true or false? Explain your answer.

How does cholesterol aff ect membrane fluidity?

Why are membranes said to have selective permeability?