Quizizz Biology Test Review

___________ allow cells to recognize each other and act like ID tags.

Carbohydrates

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

Cell Membrane

It forms a boundary between the inside of the cell and the outside of the cell.

Cell Membrane

___________ strengthens and stabilizes the cell membrane.

Cholesterol

A phospholipid has 2 parts. What are they called?

Hydrophilic Head, Hydrophobic Tail

A specific molecule that binds with a receptor to make something happen.

Ligands

A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails.

Phospholipid

___________ form the two layers of the cell membrane.

Phospholipids

___________ have 2 functions in the cell membrane.1.) They act like gatekeepers, only let certain things in.2.) Enzyme receptors embedded in the membrane.

Proteins

Something is ___________ ____________when some molecules can cross the membrane while others cannot.

Selectively (or Semi) Permeable

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

The Fluid Mosaic Model

"Water Loving"

hydrophilic

"Water Fearing"

hydrophobic