Cytochrome c Ubiquinol Oxidoreductase

Cytochrome c Ubiquinol Oxidoreductase

Assessment

Interactive Video

Science, Chemistry

University

Hard

Created by

Wayground Content

FREE Resource

The video provides an in-depth look at Complex III in the respiratory chain, focusing on the cytochrome C ubiquinol oxidoreductase and its mechanism, the Q cycle. It explains the electron pathways, the regeneration of ubiquinol, and the role of cytochrome C, including its involvement in apoptosis.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of Complex III in the respiratory chain?

To synthesize ATP directly

To transfer electrons from ubiquinol to cytochrome C

To pump protons across the mitochondrial membrane

To oxidize NADH to NAD+

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Q cycle, what happens to the electrons from ubiquinol?

They are split and follow different pathways

They are combined into a single electron

They are used to directly produce ATP

They are stored in the mitochondrial matrix

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which component in the Q cycle accepts electrons from the iron-sulfur center?

Heme C1

Heme B low potential

Ubiquinone

Cytochrome C

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is regenerated during the Q cycle that is crucial for its continuation?

FADH2

Ubiquinol

NADH

ATP

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many electrons can cytochrome C accept at a time?

Two

Three

One

Four

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of cytochrome C in the electron transport chain?

It acts as a proton pump

It transfers electrons between Complex III and IV

It synthesizes ATP

It oxidizes NADH

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is cytochrome C unique among the components of the electron transport chain?

It is the only membrane-bound enzyme

It is the only soluble enzyme

It directly produces ATP

It is not involved in electron transfer

Create a free account and access millions of resources

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

By signing up, you agree to our Terms of Service & Privacy Policy

Already have an account?