Transport Proteins and Mechanisms

Transport Proteins and Mechanisms

Assessment

Interactive Video

Biology, Science, Chemistry

9th - 12th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial covers transport proteins, explaining their role in moving solutes across cell membranes. It classifies transport proteins into carriers, channels, and ATP-powered pumps, detailing each type's function. Uniporters and co-transporters are discussed, with examples like glucose transport. The video also explores channel types, including ligand and voltage-gated channels, and explains ATP-powered pumps like the sodium-potassium pump. The tutorial concludes with a summary of the key points.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of transport proteins?

To store genetic information

To break down nutrients

To transport solutes across membranes

To synthesize proteins

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of transport protein does not require ATP?

Co-transporters

ATP-powered pumps

Channels

Uniporters

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of co-transporters, what is a 'sorter'?

A protein that only transports ions

A protein that transports molecules in the same direction

A protein that requires ATP

A protein that transports molecules in opposite directions

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of antiporters in cellular transport?

To facilitate passive diffusion

To transport two molecules in opposite directions

To transport a single molecule across the membrane

To transport two molecules in the same direction

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of channel opens in response to a ligand binding?

ATP-powered channel

Voltage-gated channel

Leaky channel

Ligand-gated channel

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What triggers the opening of voltage-gated ion channels?

Temperature change

Change in membrane voltage

Presence of ATP

Binding of a specific ligand

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where are ligand-gated ion channels commonly found?

In the digestive system

In the central nervous system

In the respiratory system

In the circulatory system

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