2. What is the terms used to describe what is happening to the members of the electron transport system? When they accept an electron they are said to be When they pass the electron to the next carrier they are said to be 3. What molecules serve to donate electrons (and protons) to the electron transport system in the mitochondria? a. b. 4. Approximately how many ATP are generated when each of the above-listed molecules donate their electrons and protons to the ETS? b. a. 5. What is the final electron acceptor in the mitochondrial electron transport system? After this molecule accepts an electron, what molecule will it form?

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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answer 2,3,4,5

The Electron Transport System (ETS)
The ETS must generate a hydrogen gradient (proton motive force) in order to power the enzyme
ATP synthase to produce ATP. This is the process of chemiosmosis/oxidative phosphorylation.
1. Below is a representation of the inner and outer membrane of a mitochondrian. You will complete
the drawing as instructed.
A. Draw several protons (H+) where they would accumulate in the mitochondrian to form a gradient.
B. Draw an arrow showing the direction the H+ would flow to power ATP synthase.
C. Fill in the equation blanks in the text box. This describes the activity of ATP synthase.
00000
a.
ODOO 000
0000000000
000 00
0000001
oooooo
10 0000000000
00000
000
oooo
oooooooo
ATP synthase activity
2. What is the terms used to describe what is happening to the members of the electron transport system?
When they accept an electron they are said to be
When they pass the electron to the next carrier they are said to be
3. What molecules serve to donate electrons (and protons) to the electron transport system in the
mitochondria? a.
b.
4. Approximately how many ATP are generated when each of the above-listed molecules donate their
electrons and protons to the ETS?
b.
5. What is the final electron acceptor in the mitochondrial electron transport system?
After this molecule accepts an electron, what molecule will it form?
Transcribed Image Text:The Electron Transport System (ETS) The ETS must generate a hydrogen gradient (proton motive force) in order to power the enzyme ATP synthase to produce ATP. This is the process of chemiosmosis/oxidative phosphorylation. 1. Below is a representation of the inner and outer membrane of a mitochondrian. You will complete the drawing as instructed. A. Draw several protons (H+) where they would accumulate in the mitochondrian to form a gradient. B. Draw an arrow showing the direction the H+ would flow to power ATP synthase. C. Fill in the equation blanks in the text box. This describes the activity of ATP synthase. 00000 a. ODOO 000 0000000000 000 00 0000001 oooooo 10 0000000000 00000 000 oooo oooooooo ATP synthase activity 2. What is the terms used to describe what is happening to the members of the electron transport system? When they accept an electron they are said to be When they pass the electron to the next carrier they are said to be 3. What molecules serve to donate electrons (and protons) to the electron transport system in the mitochondria? a. b. 4. Approximately how many ATP are generated when each of the above-listed molecules donate their electrons and protons to the ETS? b. 5. What is the final electron acceptor in the mitochondrial electron transport system? After this molecule accepts an electron, what molecule will it form?
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