BIO 152 E3 EER

BIO 152 E3 EER

University

20 Qs

quiz-placeholder

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BIO 152 E3 EER

BIO 152 E3 EER

Assessment

Quiz

Biology

University

Medium

NGSS
HS-LS1-7, HS-LS1-3, HS-LS2-5

Standards-aligned

Created by

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

leaky
voltage gated
mechanically gated

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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