Cell Membrane, Transport, And Communication Part 2 Question Preview (ID: 33238)


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Substances are always trying to reach:
a) active transport
b) passive transport
c) equilibrium
d) osmosis

A cyclist riding up a steep hill would be an example of:
a) passive transport
b) active transport
c) simple diffusion
d) diffusion

A type of passive transport where water is diffused across a selectively permeable membrane
a) simple diffusion
b) osmosis
c) facilitated diffusion
d) none of the above

If a cell is placed in a hypertonic solution, it will:
a) stay the same
b) get larger
c) get smaller
d) bust

The sodium-potassium pump:
a) lets 6 potassiums in and 3 sodiums out
b) Lets 3 sodiums out and 2 potassiums in
c) Lets 2 sodiums out and 3 potassiums in
d) is a type of passive transport

When a large substance moves into a cell in a vesicle:
a) Exocytosis
b) Endocytosis
c) diffusion
d) passive transport

A cell is immersed in a solution, but is not changed. What type of solution must this be?
a) Hypertonic
b) osmotic
c) isotonic
d) hypotonic

Which type of transport requires energy to move substances against their concentration gradient?
a) Passive transport
b) Active transport
c) diffusion
d) osmosis

Sea water is drying to our skin because it is:
a) hypotonic and causes skin cells to swell
b) hypertonic causing skin cells to shrink
c) isotonic causing no change in the cells
d) none of the above

Which of the following is found in a plant cell, but not an animal cell?
a) cell membrane
b) cytoplasm
c) nucleus
d) chloroplast

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