cell biology - transport mechanisms Flashcards

1
Q

an ion moving directly through a cell membrane is an example of-
a) osmosis
b) simple diffusion
c) facilitated diffusion
d) active transport

A

b) simple diffusion

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2
Q

which of the following are more concentrated on the inside of the cell? select all that apply
a) calcium
b) sodium
c) chloride
d) potassium

A

d) potassium

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3
Q

water being pulled across a membrane by ions is an example of-
a) facilitated diffusion
b) active transport
c) simple diffusion
d) osmosis

A

d) osmosis

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4
Q

an ion that moves down its gradient and through a protein is an example of-
a) active transport
b) simple diffusion
c) osmosis
d) facilitated diffusion

A

d) facilitated diffusion

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5
Q

where does the energy come from that allows ions to move via active transport?
a) ATP
b) concentration gradient
c) protein pump

A

a) ATP

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