Phospholipid Bilayer and Transport

Which type of transport requires an input of energy?

• Passive Transport

• Osmosis

• Simple Diffusion

• Active Transport

The cell membrane is made up of a phospholipid bilayer. What does "bilayer" mean?

• one layer

• two layers

• laminated

• bilateral

Passive Transport uses ____ energy

• no

• a lot of

• a little bit of

• some

What forms the channels and pumps in the phospholipid bilayer?

• Carbohydrates

• Proteins

• Hydrophilic heads 

• Lipids

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

• 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.

• Protects the cell from its environment.

Tags

NGSS.MS-LS1-2

The type of cellular transport that requires no energy.

• Active Transport

• Protein Pumps

• Passive Transport

• Endocytosis

When particles move up the gradient, from a low concentration to high concentration while requiring energy like it does to move a boulder up a hill, it is called _______.

• Passive Transport

• Active Transport

A cell membrane has pores that allow certain materials to pass through and others not. This is a type of cell membrane.

• semi-permeable

• In high concentration

• At equilibrium

• In low concentration

True or False:  Regulating what enters and leaves the cell helps the cell maintain homeostasis. 

• True

• False

Tags

NGSS.HS-LS1-3

Most of the cell membrane is made of...

• phospholipids

• Carbohydrates

• Proteins

• Nucleic acids