Cell Membrane: Structure and Function

Identify all structures that are part of the cell membrane.

• aquaporin

• cholesterol

• chloroplasts

• proteins

Diffusion requires the use of energy from a cell.

• True

• False

Diffusion only happens in cells.

• True

• False

Active transport requires __________ in order to work.

• carbohydrates

• homeostatis

• ATP

• none of the above

Cholesterol provides ________________for the membrane.

• channels

• stability

• energy

• none of the above

________ and ___________ pass easily through the phospholipid bilayer.

• sugar

• carbon dioxide

• salt

• oxygen

Proteins create various channels to assist molecules to pass through the membrane.

• true

• false

Cells need ____________to enter the cell in order to make ATP.

• oxygen

• sugar

• water

• none of the above

Tags

NGSS.HS-LS1-7

____________are transport proteins specifically designed for water molecules.

• aquaporins

• phospholipids

• carriers

• none of the above

Cell membranes are __________________which means they control what enters and leaves the cell.

• permeable

• hypotonic

• isotonic

• selectively permeable