Use the following figure to answer the questions below.

-The figure above shows the electron transport chain. Which of the following is the combination of substances that is initially added to the chain?
A)oxygen, carbon dioxide, and water
B)NAD⁺, FAD, and electrons
C)NADH, FADH₂, and protons
D)NADH, FADH₂, and O₂
E)oxygen and protons

Question

Use the following figure to answer the questions below.
 
-The figure above shows the electron transport chain. Which of the following is the combination of substances that is initially added to the chain?
A)oxygen, carbon dioxide, and water 
B)NAD⁺, FAD, and electrons 
C)NADH, FADH₂, and protons 
D)NADH, FADH₂, and O₂ 
E)oxygen and protons

Quizplus · Accepted Answer

NADH and FADH2 are the substances that enter the electron transport chain, along with oxygen. These substances provide electrons to the chain, which are used to generate ATP.

Use the Following Figure to Answer the Questions Below