
Biology Ch.5--Passive and Active Transport
Authored by K. King
Biology
9th - 10th Grade
Used 2+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A structure that can move excess water out of a unicellular organism is a ____________.
carrier protein
cell membrane pump
contractile vacuole
ion channel
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the cell membrane, ion channels serve as _________.
food molecules
cell markers
passageways
information receivers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sodium-potassium pumps ___________.
move NA ions and K ions into cells
Move NA ions and K ions out of cells
Move NA ions into the cell and K ions out of the cell
Move NA ions out of the cell and K ions into the cell
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The movement of water through a cell membrane is called __________.
diffusion
active transport
osmosis
filtration
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All forms of active transport are dependence on _________.
ATP from the cell
Ion channels
Kinetic energy of the moleculesf
carrier proteins
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the molecular concentration of a substance is the same throughout a space, the substance _________.
has a large concentration gradient
is in equilibrium
will undergo diffusion
will undergo osmosis
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a characteristic of active transport?
It moves substances up a concentration gradient.
It requires energy from the cell.
It involves facilitated diffusion.
It relies on carrier proteins that often function as pumps.
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