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Worksheets1.3 Cell Membranes & Transport
Total questions: 26
Worksheet time: 23mins
Name
Class
Date
1.
What type of transport is this?
a)
facilitated diffusion
b)
active transport
c)
diffusion
d)
osmosis
2.
What are two types of passive transport?
a)
endo and exocytosis
b)
in a minute and later
c)
hydrophobic and hydrophillic
d)
osmosis and diffusion
3.
Special proteins help move particles, but NO energy is needed. This is..
a)
facilitated diffusion
b)
exocytosis
c)
active transport
d)
equilibrium
4.
When something is 'water fearing' it is....
a)
Hydrophobic
b)
Hydrophilic
c)
Hydroelectric
d)
Hydrochloric
5.
In which direction will these molecules diffuse?
a)
from right to left
b)
from left to right
c)
they will not move at all
d)
they will move in both directions equally
6.
Which part of this phospholipid is hydrophobic?
a)
fatty lipid tails
b)
head
c)
all of it is hydrophobic
d)
none of it is hydrophobic
7.
A phospholipid has 2 parts. What are they called?
a)
Hydrophilic Head, Hydrophobic Tail
b)
Hydrophobic Head, Hydrophilic Tail
8.
Describes the arrangement of the cell membrane as bendable and made of many parts.
a)
The Fluid Mosaic Model
b)
The Major Mobility Model
c)
The Crazy Cell Model
d)
The Maze Model
9.
___________ allow cells to recognize each other and act like ID tags.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
10.
Which form of active transport is being shown?
a)
Pinocytosis
b)
Endocytosis
c)
Exocytosis
d)
Osmosis
11.
Which type of transport requires an input of energy?
a)
Passive Transport
b)
Osmosis
c)
Simple Diffusion
d)
Active Transport
12.
If a red blood cell is put in a salt solution, what will happen to the cell?
a)
Shrink
b)
Swell
c)
Stay the same
d)
Burst
13.
Hydrophilic means...
a)
water-loving
b)
water-fearing
c)
nonpolar
d)
lipid soluble
14.
What process occurs when WATER diffuses across a membrane?
a)
endocytosis
b)
mitosis
c)
osmosis
d)
nuclear fission
15.
If you looked at red blood cells under a microscope and saw the blood cells exploded, what would you say happened?
a)
The cells were placed in a hypotonic solution.
b)
the solution was isotonic.
c)
The solution was hypertonic.
16.
Both side of a selectively- permeable membrane are equal. The sides are ______.
a)
isotonic
b)
hypertonic
c)
hypotonic
17.
Why can't you drink salt water?
a)
It's hypertonic to your cells
b)
It's hypotonic to your cells
c)
It's isotonic to your cells
d)
It's paratonic to your cells
18.
What forms the channels and pumps in the phospholipid bilayer?
a)
carbohydrates
b)
proteins
c)
hydrophilic heads
d)
lipids
19.
Which of the following is NOT part of the cell membrane?
a)
Lipids
b)
Carbohydrates
c)
Proteins
d)
Nucleic Acids
20.
In passive transport, the concentration gradient goes from..
a)
Low to low
b)
High to low
c)
Low to high
d)
High to high
21.
Large molecules, such as glucose, can easily pass through the cell membrane without any help...
a)
True- they pass right through
b)
False- they need a protein channel
22.
Bacteria are engulfed by
a)
Pinocytosis
b)
Receptor mediated endocytosis
c)
Exocytosis
d)
Phagocytosis
23.
A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails.
a)
phospholipid
b)
Carbohydrate
c)
Cholesterol
d)
Protein
24.
When ψp = 0...
a)
ψ = ψs
b)
ψ = ψp
c)
ψ = ψs + ψp
d)
ψ = ψs - ψp
25.
What name is given to the point labelled 'Q' on the graph?
a)
Hypertonic point
b)
Hypotonic point
c)
Isotonic point
d)
Intertonic point
26.
A learner was trying to find the water potential of potato cells. The results show that when potato chips were left in a solution with a concentration of 0.3M, there was no change in mass of the potato. What is the ψ of the potato cells?
(a)
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