Cell Membrane Structure and Function

Which is NOT a function of the cell membrane?

• Regulating cell communication
• Transporting nutrients into the cell
• Maintaining cell shape and structure
• Create energy

Tags

NGSS.MS-LS1-2

Which of the following is NOT a molecule found in the cell membrane?

• Transport Protein

• DNA
• Phospholipid

• Glycoprotein

The fatty acid tails of the phospholipid are ________. (select two)

• polar

• nonpolar

• hydrophilic

• hydrophobic

The phosphate head of a phospholipid is _________. (select two)

• polar

• nonpolar

• hydrophilic

• hydrophobic

What does it mean to be selectively permeable?

• Allowing some substances to pass through while restricting others.
• Allowing only one substance to pass through
• Restricting all substances from passing through
• Allowing all substances to pass through

Tags

NGSS.HS-LS1-3

NGSS.HS-LS2-3

What does it mean that the cell membrane is a fluid mosaic?

• The cell membrane is made up of solid molecules that do not move.
• It is made of many different molecules, allowing for flexibility and movement within the membrane.

• The cell membrane is a rigid structure with no flexibility.
• The cell membrane is composed of only one type of molecule.

A is a

• integral protein

• peripheral protein

• glycolipid

• phospholipid bilayer

B is a ____.

• Peripheral protein

• Glycoprotein

• Glycolipid

• Cholesterol

C is a ____.

• Phospholipid bilayer

• glycoprotein

• glycolipid

• cholesterol

What is D?

• Peripheral protein

• phospholipid bilayer

• Integral protein

• Cholesterol