Membrane Structure

How many layers is the lipid bilayer?

• 1

• 2

• 3

• 4

Part of the plasma membrane responsible for cell recognition... 

• C

• E

• B

• D

What part of the cell membrane move larger molecules into the cell quicker.

• transport proteins

• phospholipid bilayer

• carb ID tags

• protein receptors

B represents a_____on the cell membrane

• carb ID tag

• protein receptor

• phospholipid

• DNA

___________ form the two layers of the cell membrane. 

• Carbohydrates 

• Proteins 

• Phospholipids 

• Cholesterol

Tags

NGSS.MS-LS1-2

Which of the following are embedded in the phospholipid bilayer and help substances pass through?

• lipids

• proteins

• cholesterol

• carbohydrates

A phospholipid has two parts. What are they called?

• Hydrophilic Head, Hydrophobic Tail

• Hydrophobic Head, Hydrophilic Tail

Controls the passage of materials inside and outside of the cell.

• Cellmembrane

• Cytoplasm

• Cell wall

• Endoplasmic reticulum

Tags

NGSS.MS-LS1-2

Which of the following is a function of the cell membrane?

• breaks down lipids, carbohydrates, and proteins from foods

• stores water, salt, proteins, and carbohydrates

• synthesizes proteins and other macromolecules

• regulates the movement of materials into and out of the cell

Tags

NGSS.MS-LS1-2

The ability to allow only certain molecules into or out of the cell.

• Semipermeability

• Permeability

• Impermeability

• Unpermeability