Unit 6 Cell Membrane & Transport Quiz
Authored by Teresa Rubine
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of molecule forms most of the cell membrane?
glucose
phospholipids
nucleic acids
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the cell membrane diagram is represented by the white circles?
phosphate heads
fatty acid tails
protein channels
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The cell membrane is known to be ________________ since it only lets certain materials into or out of the cell.
impermeable
semipermeable
concentrated
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What part of a phospholipid is hydrophobic?
phosphate head
fatty acid tail
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the phospholipid is polar?
phosphate head
fatty acid tail
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of molecules can easily pass through the lipid part of the cell membrane?
small, nonpolar molecules
macromolecules
water
ions
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diffusion always causes particles to move from a region of ______ concentration to a region of _____ concentration.
high, low
low, high
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