Krebs Cycle

Krebs Cycle

Assessment

Flashcard

Science

10th Grade

Practice Problem

Hard

Created by

Wayground Content

Used 2+ times

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15 questions

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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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