The cell membrane is _______________ permeable.

The cell membrane is mostly made of what?

What are the two parts of a phospholipid?

What forms due to the two layers of phospholipids coming together?

The phospholipid head is _____________ & _____________

The phospholipid tail is _____________ & _____________

What general type of protein assist in moving specific particles across the membrane?

General term for proteins that reside on the either the exterior or interior surface of the plasma membrane.

are proteins that carry substances from one side of a biological membrane to the other

An embedded protein in the cell membrane, providing a hydrophilic passageway for small, polar ions.

Located on the cell membrane surface, nucleus membrane or other cellular organelle membrane - they can bind to corresponding proteins to initiate cellular signaling pathways (reactions).

A property of cellular membranes that only allows certain molecules to enter or exit the cell. This is important for the cell to maintain its internal order irrespective of the changes to the environment