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Bio II- Cell Transport
Test Description: Review on diffusion and osmosis
Instructions: Answer all questions to get your test result.
1) Passive processes that move substances across membranes:
A
utilize ATP
B
employ protein pumps
C
include exocytosis and endocytosis
D
require no ATP
2) Osmosis transports water across membranes using:
A
solute pumping
B
ATP
C
protein channels
D
vesicles
3) What assists the movement of substances by facilitated diffusion?
A
ATP
B
protein carrier or channel
C
lysosomes
D
solute pumps
4) Which of the following DO NOT involve the movement of molecules from an area of greater concentration to an area of lower concentration?
A
facilitated diffusion
B
osmosis
C
simple diffusion
D
active transport
5) Which of the following processes require the use of protein carriers or channels?
A
facilitated and simple diffusion
B
simple diffusion and osmosis
C
bulk transport and facilitated diffusion
D
active transport (solute pumping) and facilitated diffusion
6) Which of the following solutions would cause an animal cell to gain water and potentially burst?
A
isotonic
B
hypertonic
C
intravenous
D
hypotonic
7) Which of the following solutions would cause an animal cell to lose water and shrivel?
A
intravenous
B
isotonic
C
hypertonic
D
hypotonic
8) Which of the following solutions is ideal for animal cells?
A
intravenous
B
hypotonic
C
hypertonic
D
isotonic
9) Which of the following solutions would cause a plant cell's cytoplasm to shrink?
A
intravenous
B
hypotonic
C
isotonic
D
hypertonic
10) Which of the following solutions would cause a plant cell to become stiff?
A
isotonic
B
hypertonic
C
intravenous
D
hypotonic
11) Which of the following solutions is ideal for plant cells?
A
hypotonic
B
intravenous
C
isotonic
D
hypertonic
12) Which of the following structures regulates what enters and leaves a cell?
A
endoplasmic reticulum
B
ribosomes
C
plasma membrane
D
mitochondria
13) Which of the following is not something that is transported *IN* to the cell through the cell membrane?
A
carbon dioxide
B
oxygen
C
sugars
D
water
14) Which of the following describes the structure of the plasma membrane?
A
a double phospholipid layer with protein channels
B
a single layer of phospholipids
C
two layers of proteins with phospholipid channels
D
a single layer of proteins
15) One end of the phospholipid is _____, which means that it attracts water.
A
isotonic
B
hydrotonic
C
hydrophobic
D
hydrophilic
16) One side of the phospholipid is _____, which means that it repells water
A
hydrotonic
B
hydrophilic
C
isotonic
D
hydrophobic
17) Simple and facilitated diffusion require ATP.
A
false
B
true
18) Which of the following materials CANNOT pass through the cell membrane directly?
A
oxygen
B
fats
C
oils
D
sugars
19) Osmosis is a type of diffusion that deals only with water molecules.
A
false
B
true
20) Plant cells become stiff, or plasmolyzed, when they take on too much water.
A
true
B
false
*select an answer for all questions
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