Table of contents

1. Matter and Measurements4h 31m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 27m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
17. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

21. The Generation of Biochemical Energy

Intro to Citric Acid Cycle

GOB Chemistry

21. The Generation of Biochemical Energy

Intro to Citric Acid Cycle

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3:01 minutes

Problem 63b

Textbook Question

Name the location in the cell where the following catabolic processes take place:
b. citric acid cycle

Verified step by step guidance

Understand that the citric acid cycle, also known as the Krebs cycle or TCA cycle, is a key metabolic pathway involved in energy production.

Recall that the citric acid cycle occurs in eukaryotic cells, specifically within the mitochondria.

Identify the exact location within the mitochondria where the cycle takes place: the matrix, which is the innermost compartment of the mitochondria.

Note that the matrix contains the enzymes necessary for the reactions of the citric acid cycle to proceed.

Recognize the importance of the citric acid cycle in generating high-energy molecules like NADH and FADH₂, which are used in the electron transport chain for ATP production.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Citric Acid Cycle

The citric acid cycle, also known as the Krebs cycle, is a key metabolic pathway that occurs in the mitochondria of eukaryotic cells. It plays a crucial role in cellular respiration by oxidizing acetyl-CoA to produce energy in the form of ATP, as well as electron carriers like NADH and FADH2, which are essential for the electron transport chain.

Mitochondria

Mitochondria are membrane-bound organelles found in eukaryotic cells, often referred to as the 'powerhouses' of the cell. They are responsible for producing ATP through oxidative phosphorylation and the citric acid cycle, making them vital for energy metabolism and overall cellular function.

Catabolic Processes

Catabolic processes refer to metabolic pathways that break down molecules to release energy. In the context of cellular respiration, these processes include glycolysis, the citric acid cycle, and the electron transport chain, all of which contribute to the conversion of biochemical energy from nutrients into ATP.

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