Table of contents

1. Overview of Cell Biology2h 49m
2. Chemical Components of Cells1h 14m
3. Energy1h 33m
4. DNA, Chromosomes, and Genomes2h 31m
5. DNA to RNA to Protein2h 31m
6. Proteins1h 36m
7. Gene Expression1h 42m
8. Membrane Structure1h 4m
- The Lipid Bilayer
  38m
- Membrane Proteins
  25m
9. Transport Across Membranes1h 52m
10. Anerobic Respiration1h 5m
11. Aerobic Respiration1h 11m
12. Photosynthesis52m
13. Intracellular Protein Transport2h 18m
14. Cell Signaling1h 28m
15. Cytoskeleton and Cell Movement1h 39m
16. Cell Division3h 5m
17. Meiosis and Sexual Reproduction50m
18. Cell Junctions and Tissues48m
19. Stem Cells13m
- Stem Cells
  13m
20. Cancer44m
21. The Immune System1h 6m
22. Techniques in Cell Biology1h 41m

11. Aerobic Respiration

Mitochondria

Cell Biology

11. Aerobic Respiration

Mitochondria

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Multiple Choice

The electron transport chain in humans is located in which of the following parts of the cell?

Nuclear envelope

Golgi apparatus

Cytosol

Inner mitochondrial membrane

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Verified step by step guidance

Understand the context: The electron transport chain (ETC) is a series of protein complexes and molecules that transfer electrons to generate a proton gradient, which is used to produce ATP during cellular respiration.

Recall the location of cellular respiration: Cellular respiration occurs in the mitochondria, specifically in the inner mitochondrial membrane, where the ETC is embedded.

Eliminate incorrect options: The nuclear envelope surrounds the nucleus and is not involved in ATP production. The Golgi apparatus is responsible for protein modification and sorting, not energy production. The cytosol is the fluid part of the cytoplasm where glycolysis occurs, but it does not house the ETC.

Identify the correct location: The inner mitochondrial membrane contains the protein complexes (Complex I-IV) and ATP synthase that are essential for the ETC and oxidative phosphorylation.

Conclude: The correct answer is the inner mitochondrial membrane, as it is the site where the electron transport chain operates to produce ATP.