Membrane Structure and Function

​Let’s PRACTICE!

Answer the following questions.​

Multiple Choice

Which region in the cell membrane interacts with water?

• Hydrophilic head

• Hydrophobic tail

• Phospholipid

• Saturated fat

Multiple Choice

What is the role of cell membrane in cells?

• It acts as a gateway for receiving and releasing chemicals and molecules.

• It acts as a factory that creates molecules.

• It acts as a sorting center that separates molecules.

• It acts as a control center that details the function of each organelle.

Multiple Choice

TRUE OR FALSE: Phospholipids are amphipathic.

• True

• False

​Let’s PRACTICE!

Answer the following questions.

Multiple Choice

What do you call the carbohydrate groups attached to lipids?

• Glycoprotein

• Glycolipids

• Peripheral proteins

• Sterols

Multiple Choice

What do you call the lipid responsible for the selective permeability of the cell?

• Integral proteins

• Glycoprotein

• Sterols

• Phospholipid

Multiple Choice

TRUE OR FALSE: proteins bobbing around are the reason why the model for cell membrane is called fluid-mosaic.

• False

• True

Multiple Choice

What do you call the proteins embedded within the cell membrane?

• Peripheral proteins

• Lipid-anchored proteins

• Integral proteins

• Glycoprotein

​Let’s PRACTICE!

Answer the following questions.

Open Ended

Discuss how molecules move from the environment to inside using the following terms: Channel proteins, carrier proteins, enzymatic activity, and adhesion proteins.

​Let’s Check Your Understanding!

Go over the General Biology Canvas Course and answer the virtual laboratory simulation about cell membrane. Follow the instructions indicated on the assignment thread.

Some text here about the topic of discussion

Poll

Self-Assessment of the Learning Target:

I can explain the multiple functional roles that cell membranes play in the life of the cell.

• Sunny

• Cloudy

• Stormy