Transport In Cells 1 Question Preview (ID: 17984)


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Which is not a way that substances can pass across a membrane?
a) Diffusion
b) Facilitated diffusion
c) Active transport
d) Cholesterol

Identify the one that is not passive transport
a) Diffusion
b) Osmosis
c) Facilitated diffusion
d) Endocytosis

Which requires energy in the form of ATP?
a) Passive transport
b) active transport
c)
d)

Which is passive transport but requires proteins to cross the membrane?
a) Facilitated diffusion
b) diffusion
c) osmosis
d) endocytosis

Which brings large solid molecules into the cell?
a) phagocytosis
b) pinocytosis
c) facilitated diffusion
d) osmosis

Which brings already digested or liquid molecules into the cell?
a) pinocytosis
b) phagocytosis
c) facilitated diffusion
d) osmosis

Which is responsible for the movement of water?
a) Diffusion
b) Facilitated diffusion
c) Osmosis
d) Endocytosis

Which requires specific shapes and receptors to be brought into the cell?
a) Phagocytosis
b) Pinocytosis
c) Receptor mediated endocytosis
d) Exocytosis

If a molecule travels down its concentration gradient, what direction does it go?
a) High to low
b) Low to high
c)
d)

Which expels large materials from the cell?
a) Exocytosis
b) Endocytosis
c)
d)

If molecules are moving AGAINST their concentration gradient, which type of transport is it?
a) active
b) passive
c)
d)

If molecules are moving DOWN or WITH their concentration gradient, what type of transport is it?
a) Passive
b) Active
c)
d)

What is required to move molecules against their concentration gradients?
a) Energy
b) Passive
c) Osmosis
d) Facilitated diffusion

If the concentration of solutes are high and water is low, which type of solution is it?
a) Hypertonic
b) Hypotonic
c) Isotonic
d)

If the concentration of solutes in a solution is low but water is high, what type of solution is it?
a) Hypotonic
b) Hypertonic
c) Isotonic
d)

If the concentration of water and solute is equal, what type of solution is it?
a) Isotonic
b) Hypertonic
c) Hypotonic
d)

If we place a cell in a solution and we see that the cell loses volume, what type of solution was the cell most likely placed in?
a) Hypertonic
b) Hypotonic
c) Isotonic
d)

If we place a cell in a solution and we see that the cell gains volume, what type of solution was the cell most likely placed in?
a) Hypotonic
b) Hypertonic
c) Isotonic
d)

If we place a cell in a solution and we see that the cell volume does not change, what type of solution was the cell most likely placed in?
a) Isotonic
b) Hypertonic
c) Hypotonic
d)

Which of the following describes the fluid mosaic model?
a) Molecules can pass through the cell membrane uninhibited based on their properties.
b) Molecules require energy to pass through the cell membrane in regards to their properties.
c) It has two layers of phospholipids that are constantly moving and changing places. It has other molecules spread throughout.
d) It is fluid because it has cholesterol.

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