7th Grade Science--Plasma Membrane & Cellular Transport

What is another name for the cell membrane?

• plasma membrane

• cell phone

• solid membrane

• proton membrane

Tags

NGSS.MS-LS1-2

Which is NOT a function of the plasma membrane?

• Regulates what enters & leaves the cell

• Protects the cell

• Regulates the temperature of the cell

• Supports the cell

Tags

NGSS.MS-LS1-2

Some molecules are allowed to pass through the plasma anytime. Others can never pass through, and some can only pass through in limited amounts. This is called ___________________.

• diffusion

• phospholipid

• selective permeability

• active transport

True or False: The plasma membrane is selectively permeable.

• True

• False

Double layer sheet that makes up nearly all plasma membranes

• protein channel

• osmosis

• diffusion

• phospholipid bilayer

________________________ are made up of glycerol, two fatty acids, and a phosphate group.

• phospholipids

• plasmas

• endocytes

• diffusions

Which type of transport requires energy?

• passive

• active

The ________________ describes the organization of cell structures.

• membrane model

• fluid mosaic model

• Geiger model

• diffusion model

In plasma membranes, _______________ molecules are attached to many of the proteins.

• plasma

• dead

• lipid

• carbohydrate

Every living cell exists in a ______ environment that it needs to survive.

• dry

• neutral

• liquid

• large

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1