Cell Transport Review 2 Question Preview (ID: 10722)
Assess The Multiple Ways In Which Materials Are Transported In And Out Of The Cell.
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Which of the following is best described as vesicles fusing with the cell membrane to release materials out of the cell?
a) phagocytosis
b) pinocytosis
c) osmosis
d) exocytosis
Which of the following is an example of active transport?
a) diffusion
b) osmosis
c) mitosis
d) endocytosis
Which of the following is best described as two substances crossing the cell membrane together through coupled channels?
a) diffusion
b) osmosis
c) cotransport
d) phagocytosis
A cell absorbs dissolved molecules by engulfing them with its membrane. Which of the following best describes this transport mechanism?
a) diffusion
b) cotransport
c) pinocytosis
d) osmosis
What similarity do phagocytosis and pinocytosis share?
a) Both processes move molecules out of cells without using energy.
b) Both processes move molecules into cells without using energy.
c) Both processes move molecules out of cells by using energy.
d) Both processes move molecules into cells by using energy.
Ions are pumped against their concentration gradient. Which of the following best describes this transport mechanism?
a) cotransport
b) active transport
c) diffusion
d) osmosis
In a sodium-potassium pump, the carrier protein used pumps
a) three sodium in the cell and two potassium out.
b) three sodium out of the cell and two potassium in.
c) two sodium in the cell and three potassium out.
d) two sodium out of the cell and three potassium in.
What similarity do endocytosis and exocytosis share?
a) Both processes require energy.
b) Both processes do not require energy.
c) Both processes bring molecules into cells.
d) Both processes take molecules out of cells.
In the Bubble Demonstration a student's ability to place their dry hand through a threaded circle in the bubble frame illustrates
a) simple diffusion.
b) facilitated diffusion.
c) osmosis.
d) None of the above
If there are 8 water molecules in the cell and 2 water molecules outside, what type of solution exists outside the cell. Think of what will happen to the cell when the water moves.
a) isotonic
b) hypertonic
c) hypotonic
d) None of the above
In the Iodine Experiment which molecules were permeable through the dialysis tubing and why?
a) Iodine, because the molecules are smaller.
b) Corn starch, because the molecules are smaller.
c) Both iodine and corn starch moved because they are the same size.
d) Neither molecule moved because they were both too big.
In the Egg Demonstration what happened to the egg when left in corn syrup over night?
a) The egg got larger.
b) The egg got smaller.
c) The egg size didn't change.
d) The egg changed color.
In the Egg Demonstration what happened to the egg when left in vinegar over night?
a) The egg changed color.
b) The egg got larger.
c) The egg's shell dissolved.
d) The egg got smaller.
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