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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
require no ATP
C
employ protein pumps
D
include exocytosis and endocytosis
2) Osmosis transports water across membranes using:
A
protein channels
B
vesicles
C
solute pumping
D
ATP
3) What assists the movement of substances by facilitated diffusion?
A
lysosomes
B
protein carrier or channel
C
solute pumps
D
ATP
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
simple diffusion
B
osmosis
C
active transport
D
facilitated diffusion
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
active transport (solute pumping) and facilitated diffusion
D
bulk transport and facilitated diffusion
6) Which of the following solutions would cause an animal cell to gain water and potentially burst?
A
hypertonic
B
isotonic
C
intravenous
D
hypotonic
7) Which of the following solutions would cause an animal cell to lose water and shrivel?
A
isotonic
B
hypotonic
C
intravenous
D
hypertonic
8) Which of the following solutions is ideal for animal cells?
A
hypotonic
B
hypertonic
C
isotonic
D
intravenous
9) Which of the following solutions would cause a plant cell's cytoplasm to shrink?
A
intravenous
B
hypertonic
C
hypotonic
D
isotonic
10) Which of the following solutions would cause a plant cell to become stiff?
A
isotonic
B
hypertonic
C
hypotonic
D
intravenous
11) Which of the following solutions is ideal for plant cells?
A
isotonic
B
intravenous
C
hypotonic
D
hypertonic
12) Which of the following structures regulates what enters and leaves a cell?
A
plasma membrane
B
mitochondria
C
ribosomes
D
endoplasmic reticulum
13) Which of the following is not something that is transported *IN* to the cell through the cell membrane?
A
water
B
sugars
C
carbon dioxide
D
oxygen
14) Which of the following describes the structure of the plasma membrane?
A
two layers of proteins with phospholipid channels
B
a single layer of phospholipids
C
a double phospholipid layer with protein 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
hydrophilic
B
hydrotonic
C
hydrophobic
D
isotonic
17) Simple and facilitated diffusion require ATP.
A
true
B
false
18) Which of the following materials CANNOT pass through the cell membrane directly?
A
oxygen
B
oils
C
sugars
D
fats
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
false
B
true
*select an answer for all questions
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