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Cell Transport Review 2
Test Description: Assess the multiple ways in which materials are transported in and out of the cell.
Instructions: Answer all questions to get your test result.
1) Which of the following is best described as vesicles fusing with the cell membrane to release materials out of the cell?
A
exocytosis
B
osmosis
C
pinocytosis
D
phagocytosis
2) Which of the following is an example of active transport?
A
mitosis
B
osmosis
C
diffusion
D
endocytosis
3) Which of the following is best described as two substances crossing the cell membrane together through coupled channels?
A
osmosis
B
phagocytosis
C
cotransport
D
diffusion
4) A cell absorbs dissolved molecules by engulfing them with its membrane. Which of the following best describes this transport mechanism?
A
osmosis
B
pinocytosis
C
cotransport
D
diffusion
5) What similarity do phagocytosis and pinocytosis share?
A
Both processes move molecules into cells by using energy.
B
Both processes move molecules into cells without using energy.
C
Both processes move molecules out of cells without using energy.
D
Both processes move molecules out of cells by using energy.
6) Ions are pumped against their concentration gradient. Which of the following best describes this transport mechanism?
A
active transport
B
osmosis
C
cotransport
D
diffusion
7) In a sodium-potassium pump, the carrier protein used pumps
A
three sodium in the cell and two potassium out.
B
two sodium out of the cell and three potassium in.
C
two sodium in the cell and three potassium out.
D
three sodium out of the cell and two potassium in.
8) What similarity do endocytosis and exocytosis share?
A
Both processes bring molecules into cells.
B
Both processes require energy.
C
Both processes take molecules out of cells.
D
Both processes do not require energy.
9) In the Bubble Demonstration a student's ability to place their dry hand through a threaded circle in the bubble frame illustrates
A
facilitated diffusion.
B
simple diffusion.
C
osmosis.
D
None of the above
10) 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
hypertonic
B
isotonic
C
None of the above
D
hypotonic
11) In the Iodine Experiment which molecules were permeable through the dialysis tubing and why?
A
Neither molecule moved because they were both too big.
B
Corn starch, because the molecules are smaller.
C
Iodine, because the molecules are smaller.
D
Both iodine and corn starch moved because they are the same size.
12) In the Egg Demonstration what happened to the egg when left in corn syrup over night?
A
The egg size didn't change.
B
The egg changed color.
C
The egg got smaller.
D
The egg got larger.
13) In the Egg Demonstration what happened to the egg when left in vinegar over night?
A
The egg's shell dissolved.
B
The egg got smaller.
C
The egg changed color.
D
The egg got larger.
*select an answer for all questions
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