Blake-The Cell Membrane_2025

Multiple Choice

Which of the following is NOT a function of the cell membrane?

• Regulate what enters and leaves the cell

• Provide the cell's identity

• Produce energy for the cell

• Communicate with other cells

Multiple Select

Which of the following are components of the cell membrane?

• Proteins

• Carbohydrate receptors

• Nucleic acids

• Cholesterol

Multiple Choice

Lipids function in all of the following EXCEPT:

• Energy storage

• Structural support

• Chemical messengers

• Genetic information storage

Multiple Choice

Which of the following best describes the role of channel proteins in the cell membrane?

• They act as pores that allow water molecules and small ions to pass through quickly.

• They store energy for the cell.

• They act as cell receptors for hormones.

• They provide structural support to the membrane.

Open Ended

Explain how carbohydrate groups contribute to cell membrane function, referencing their attachment to proteins and lipids.

Multiple Choice

Which of the following are functions of cholesterol in the cell membrane?

• Control movement/fluidity of the membrane

• Act as cell receptors

• Store energy

• Allow water molecules to pass through quickly

Open Ended

Reflecting on today's lesson about cell membranes, how do you think the structure of the cell membrane helps organisms maintain a biological balance between their internal and external environments?