Cell Membrane Structures and Functions

A phospholipid has two parts. What are they called?

• Hydrophilic Head, Hydrophobic Tail

• Hydrophobic Head, Hydrophilic Tail

"Water Loving"

• Hydrophobic
• Hydrophilic 
• Hydroelectric 
• Hydroloric

"Water Fearing" 

• Hydrophobic
• Hydrophilic 
• Hydroelectric 
• Hydroloric

Tags

NGSS.HS-ESS2-5

Describes the arrangement of the cell membrane as bendable and made of many parts. 

• The Fluid Mosaic Model 
• The Major Mobility Model 
• The Crazy Cell Model
• The Maze Model

___________ form the two layers of the cell membrane. 

• Carbohydrates 
• Proteins 
• Phospholipids 
• Cholesterol

Tags

NGSS.MS-LS1-2

Controls the passage of materials inside and outside of the cell.

• Cellmembrane

• Cytoplasm

• Cell wall

• Endoplasmic reticulum

Tags

NGSS.MS-LS1-2

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

Tags

NGSS.MS-LS1-2

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

• cell specialization

• homeostasis

• permeability

• unicellularity

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 molecules pass easily through the cell membrane, requiring little extra help or energy? Select all that apply.

• sodium

• glucose

• oxygen

• carbon dioxide