Table of contents

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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

1. Overview of Cell Biology

Eukaryotic Cell Architecture

Cell Biology

1. Overview of Cell Biology

Eukaryotic Cell Architecture

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Multiple Choice

Which cellular structure is found in eukaryotic cells but not in prokaryotic cells?

Nucleus

Cell wall

Ribosome

Plasma membrane

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Verified step by step guidance

Understand the key difference between eukaryotic and prokaryotic cells: Eukaryotic cells have membrane-bound organelles, while prokaryotic cells do not.

Review the function of the nucleus: The nucleus is a membrane-bound organelle that houses the cell's genetic material (DNA) and is a defining feature of eukaryotic cells.

Analyze the other options: The cell wall, ribosome, and plasma membrane are found in both eukaryotic and prokaryotic cells, though their composition may differ.

Conclude that the nucleus is the correct answer because it is exclusive to eukaryotic cells and absent in prokaryotic cells.

Verify your understanding by recalling that prokaryotic cells have a nucleoid region instead of a nucleus, where their DNA is located but not enclosed by a membrane.