Membrane and its Proteins
Membrane Proteins
Transport
Osmosis
Na+/K+ pump
100

what is the most abundant type of molecule in the membrane?

phospholipids

100

a pathway for molecules to move across the membrane. this protein is open to both sides at the same time

channel

100

doesn't use energy

diffusion/passive transport

100

in osmosis, ____ moves ____ its concentration gradient

water, down/with

100

moves ____ Na+ to _______ of cell

3, outside

200

draw a phospholipid

glycerol, 2 fatty acids, phosphate group, head group

200

protein that is open to one side at a time

carrier

200

uses energy (ATP)

active transport

200

cell A has an equal concentration of solutes to cell B. Cell A is _____ to cell B

isotonic

200

moves ___ K+ to _____ of cell

2, inside

300

what are the two ways that phospholipids move around in the membrane?

laterally (side to side) and spinny in circles

300

moves two types of things in one direction

symporter

300

active transport moves things from ___ to ___ concentration

low to high

300

cell A has a higher concentration of solutes than cell B. Cell A is _____ to cell B

hypertonic

300

energy source

ATP

400

what are the 3 classifications of membrane proteins we talked about? (not uniporter, symporter, antiporter)

integral membrane proteins

peripheral membrane proteins

lipid-anchored proteins

400

moves one type of thing in one direction

uniporter

400

where does the energy for secondary active transport come from?

the concentration gradient that was set up by primary active transport

400

cell A has a lower concentration of solutes than cell B. Cell A is _____ to cell B

hypotonic

400

3 terms to describe the Na/K pump

Integral Membrane Protein

Transmembrane protein

carrier

antiporter

primary active transporter

electrogenic pump

500

what is the term for adding a carbohydrate to another molecule?

glycosylation

500

moves two types of things in opposite directions

antiporter

500

requires a protein (be broad with your answer)

facilitated transport

500

what are the transport proteins that allow water to pass through?

aquaporins

500

inside the cell, because of the Na/K pump, there is a ____ sodium concentration and a _____ potassium concentration

low, high