Krebs Cycle

Flashcard
•
Science
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the Krebs Cycle?
Back
The Krebs Cycle, also known as the citric acid cycle or TCA cycle, is a series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetyl-CoA.
2.
FLASHCARD QUESTION
Front
Where does the Krebs Cycle occur in the cell?
Back
The Krebs Cycle takes place in the mitochondria of the cell.
3.
FLASHCARD QUESTION
Front
What is the starting molecule for the Krebs Cycle?
Back
The starting molecule for the Krebs Cycle is acetyl-CoA, which is derived from pyruvate.
4.
FLASHCARD QUESTION
Front
What are the main products of one turn of the Krebs Cycle?
Back
The main products of one turn of the Krebs Cycle are 3 NADH, 1 FADH2, 1 ATP (or GTP), and 2 CO2.
5.
FLASHCARD QUESTION
Front
How many times does the Krebs Cycle turn for each glucose molecule?
Back
The Krebs Cycle turns twice for each glucose molecule.
6.
FLASHCARD QUESTION
Front
What role do NADH and FADH2 play in cellular respiration?
Back
NADH and FADH2 are electron carriers that transport electrons to the electron transport chain (ETC) for ATP production.
7.
FLASHCARD QUESTION
Front
What is the significance of the electron transport chain (ETC)?
Back
The electron transport chain is the final stage of cellular respiration where the energy from electrons is used to produce ATP.
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