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Cell Membrane/Cell Transport
Test Description: Review of cell membrane
Instructions: Answer all questions to get your test result.
1) Which of the following is NOT a benefit of the cell membrane?
A
Protects and provides structure for the cell
B
Regulates transport to help the cell maintain constancy and order
C
Keeps the cell warm
D
Helps move substances and messages in and out of the cell
2) Cells maintain homeostasis by...
A
Moving fast
B
controlling the movement of substances across the cell membrane
C
producing proteins
D
moving slowly
3) The cell membrane is made up of...
A
enzymes
B
water
C
phospholipids
D
wax
4) The cell membrane acts as a gatekeeper by...
A
keeping all substances out of the cell
B
letting only water into the cell
C
letting all substances into the cell
D
letting some substances but not others into and out of the cell
5) What provides structural support, recognizes foreign material, and communicates with other cells?
A
Cytoplasm
B
Proteins
C
Ribosomes
D
Cell Membrane
6) Phospholipids are made up of...
A
one polar head and two polar tails
B
a nonpolar head and two polar tails
C
two polar heads and one polar tail
D
a polar head and two nonpolar tails.
7) Because there is water inside and outside of the cell...
A
The cell fills with water
B
The lipid bilayer is formed
C
The cell drowns
D
The cell dissolves
8) What substances can pass through the lipid bilayer?
A
only small, nonpolar substances
B
only large, nonpolar substances
C
only large, polar substances
D
only small, polar substances
9) Which type of protein in the cell membrane acts as a name tag to identify the type of cell?
A
enzymes
B
Transport proteins
C
cell-surface marker
D
receptor protein
10) Which type of protein found in the cell membrane helps the cell sense its surroundings?
A
cell-surface markers
B
receptor proteins
C
Transport proteins
D
enzymes
11) Which protein found in the cell membrane helps with important biochemical reactions?
A
receptor proteins
B
enzymes
C
cell-surface markers
D
transport proteins
12) Which proteins in the cell membrane aids in the movement of substances that cannot pass through the lipid bilayer?
A
transport proteins
B
receptor proteins
C
cell-surface markers
D
enzymes
*select an answer for all questions
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