Phospholipid Bilayer

What is the name of the macromolecule that makes up the majority of the cell membrane?

• Lipid

• Carbohydrate

• Nucleic acid

• Protein

Which statement best describes the role cholesterol plays in the membrane?

• It clogs the membrane

• It increases membrane fluidity

• It decreases membrane fluidity

• It holds the membrane together

The lipid bilayer is ____ thick.

• 1

• 2

• 3

• 4

The primary component of the cell membrane is the group of lipids called

• prostaglandins

• cholesterol

• phospholipids

• carbohydrate

"water loving"

• Hydroloric

• Hydroelectric

• Hydrophilic

• Hydrophobic

Tags

NGSS.MS-ESS2-4

"water fearing"

• Hydroloric

• Hydroelectric

• Hydrophilic

• Hydrophobic

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 cell theroy model

Tags

NGSS.MS-LS1-2

Controls the passage of materials inside and outside of the cell

• Cell Membrane

• Cytoplasm

• Cell Wall

• Endoplasmic reticulum

Tags

NGSS.MS-LS1-2

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

• permeability

• homeostasis

• specialization

• unicellularity

Tags

NGSS.HS-LS1-3

NGSS.HS-LS2-5

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

• glucose

• oxygen

• carbon dioxide

• sodium