Plasma Membrane
draw a phospholipid
yes correct
the type of transport that requires energy to cross the membrane
active transport
transports one thing in one direction
uniporter
name a hormone
testosterone
estrogen
adrenaline/epinephrine other acceptable answers
the Na+/K+ pump is a form of ______ transport (be specific)
primary active transport
the layers of the membrane are called ______
leaflets
what are the two types of diffusion?
simple and facilitated
if something requires a protein to be able to cross the membrane, it is called ______ transport
facilitated
binding of a signal molecule causes a _______ in the receptor
conformational change
brings ____ K+ ______ the cell
2 K+ into the cell
the membrane can let some things pass but not everything. this is referred to as _____________
selective permeability
selectively permeable
what is the source of energy in secondary active transport?
the concentration gradient that was set up by primary active transport
open to one side at a time
carrier protein
the 2 locations for receptors
inside the cell (steroids)
in the plasma membrane
brings ____ Na+ _____ the cell
3 Na+ out of the cell
what are the two ways that phospholipids can move in the membrane?
spin in place and move laterally
cell eating
phagocytosis
types of gating for channels
ligand gating, electrical gating, mechanical gating
long-distance signaling
endocrine signaling
the Na+/K+ pump makes the concentration of Na+ _____ on the inside of the cell
low
what types of molecules are able to move easily through the membrane?
small, uncharged, nonpolar
clathrin is a protein that is involved in what process?
receptor-mediated endocytosis
the three types of membrane proteins
integral membrane proteins
peripheral membrane proteins
lipid-anchored proteins
what is a G-protein coupled receptor?
a receptor that activates a G protein, which uses GTP
3 ways to describe the Na+/K+ pump
primary active transport
carrier
intermembrane protein
transmembrane protein
antiporter
electrogenic pump
other acceptable answers