Transmembrane transport

1.      Match the following:

__3__ (a) diffusion

__9__ (b) osmosis

__1__ (c) facilitated diffusion

__5__ (d) primary active transport

__11__ (e) secondary active transport

__4__ (f) vesicular transport

__8__ (g) phagocytosis

__7__ (h) pinocytosis

__2__ (i) exocytosis

__10__ (j) receptor-mediated endocytosis

__6__ (k) transcytosis

(1) Passive transport in which a solute binds to a specific carrier on one side of the membrane and is released on the other side

(2) Movement of materials out of the cell by fusing of secretory vesicles with the plasma membrane

(3) The random mixing of particles in a solution due to the kinetic energy of the particles; substances move from high to low concentrations until equilibrium is reached

(4) Transport of substances either into or out of the cell by means of small, spherical membranous sacs formed by budding off from existing membranes

(5) Uses energy derived from hydrolysis of ATP to change the shape of a carrier protein, which “pumps” a substance across a cellular membrane against its concentration gradient

(6) Vesicular movement involving endocytosis on one side of a cell and subsequent exocytosis on the opposite side of the cell

(7) Type of endocytosis that involves the nonselective uptake of tiny droplets of extracellular fluid

(8) Type of endocytosis in which large solid particles are taken in

(9) Movement of water from an area of higher to an area of lower water concentration through a selectively permeable membrane

(10) Process that allows a cell to take specific ligands from the ECF by forming vesicles

(11) Indirectly uses energy obtained from the breakdown of ATP; involves symporters and antiporters

2.      What type of transport is illustrated in the following picture?

a) Active

b) Passive

c) Osmosis 

d) Phagocytosis