
BIO 152 E3 EER
Quiz
•
Biology
•
University
•
Medium
Standards-aligned
Luke Preston
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a voltage-gated channel?
A channel that responds to a change in pressure
A channel that responds to a change in electrical potential across a membrane
A channel that responds because of a molecule
A channel that responds to a chemical gradient
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the resting membrane potential of a typical neuron?
-70mV
-55mV
0mV
+30mV
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when threshold is reached?
The membrane potential goes down to -80mV
Voltage-gated calcium channels open
An action potential occurs
Nothing happens
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the correct order of events in action potentials?
Hyperpolarization, repolarization, depolarization
Repolarization, depolarization, hyperpolarizatin
Hyperpolarization, depolarization, repolarization
Depolarization, repolarization, hyperpolarization
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
This type of channel responds to a change in the electrical potential of the cell membrane
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which membrane protein(s) establish and maintain RMP?
Na+/K+ pump
K+ leak channels
Na+ leak channels
All of the above
Tags
NGSS.HS-LS1-3
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
When threshold is reached, what happens in terms of channels?
VG Na+ channels open
VG K+ open
The Na+/K+ pump increases its activity
More than one of the options is correct
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