Cell Membrane: Structure and Function

A phospholipid has two parts. What are they called?

• Hydrophilic Head, Hydrophobic Tail

• Hydrophobic Head, Hydrophilic Tail

"Water Fearing" 

• Hydrophobic
• Hydrophilic 
• Hydroelectric 
• Hydroloric

___________ form the two layers of the cell membrane. 

• Carbohydrates 
• Proteins 
• Phospholipids 
• Cholesterol

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

Which term describes the relatively constant internal physical conditions of an organism?

• cell specialization

• homeostasis

• permeability

• unicellularity

Tags

NGSS.HS-LS1-3

Which of the following is a true statement?

• Cells are small because it allows a faster rate of chemical exchange.

• Cells are small because it allows a slower rate of chemical exchange.

• Cells are large because it allows a faster rate of chemical exchange.

• Cells are large because it allows a slower rate of chemical exchange.

Which of the following is the function of the cell membrane? Select all that apply.

• Provides instructions to the cell and other organelles.

• Regulates compounds in and out fo the cell.

• Allows cells to communicate and interact with other cells.

• Breaks down wastes and other compounds.

• Protects the cell from its environment.

Tags

NGSS.MS-LS1-2

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

• lipids

• proteins

• cholesterol

• carbohydrates

The type of cellular transport that requires no energy.

• Active Transport
• Protein Pumps
• Passive Transport
• Endocytosis

Most of the cell membrane is made of...

• Lipids
• Carbohydrates
• Proteins
• Nucleic acids