Cell Membrane Introduction

This image is a model of-

• Flagella

• Nucleus

• Endoplasmic Reticulum

• Cell Membrane

The function of the plasma membrane is....

• Vesicle with enzymes to digest waste

• Regulate what is transported into and out of the cell

• Package materials

• Make proteins

 

What does "bilayer" mean?

• one layer

• two layers

• virus

• antibiotic

Most of the cell membrane is made of...

• Nucleic acids

• Proteins

• Lipids

• Carbohydrates

 

What forms the channels and pumps in the phospholipid bilayer?

• proteins

• hydrophilic heads

• lipids

• carbohydrates

Hydrophobic region of the cell membrane?

• E

• B

• C

• A

Hydrophilic portion of cell membrane?

• D

• C

• B

• A

A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails. 

• cholesterol

• glycoprotein

• phospholipid

• glucose

___________ allow cells to recognize each other and act like ID tags. 

• Carbohydrates

• Proteins

• Phospholipids

• Cholesterol

___________ strengthens and stabilizes the cell membrane.

• Carbohydrates

• Proteins

• Phospholipids

• Cholesterol