what surrounds the cell?
Plasma Membrane
What does transport move into or out of the cell?
Substances
What are hollow channels that allow substances to enter or leave the cell?
Channel proteins
what are two things the plasma membrane contain?
cholesterol and proteins
What type of transport DOES NOT USE energy?
Passive transport
Name one substance that can pass through channel proteins.
water
what connects the cell to the neighboring cell?
structural proteins
What type of transport USES energy?
active transport
Name one type of ion that can pass through channel proteins.
Sodium, potassium, calcium, or chloride
channel proteins
What are the two basic types of membrane transport?
Passive and active transport
Name one structural protein found in the cell membrane.
Cadherin, integrin, or spectrin
what is the layer of carbohydrate groups around the cell called that helps other cells recognize it
glycocalyx
In active transport, what is needed to move a substance where it "does not want to go"?
energy
What do structural proteins connect the cell to?
Neighboring cells, the extracellular matrix, or the cytoskeleton inside the cell.