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 of the following structures are found only in eukaryotic cells?

Plasma membrane

Cell wall

Nucleus

Ribosome

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Verified step by step guidance

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

Review the structures listed in the problem: Plasma membrane, Cell wall, Nucleus, and Ribosome.

Analyze each structure: The plasma membrane is found in both eukaryotic and prokaryotic cells, so it is not exclusive to eukaryotes.

Consider the cell wall: While some eukaryotic cells (e.g., plant cells) have a cell wall, it is also present in prokaryotic cells, so it is not exclusive to eukaryotes.

Focus on the nucleus: The nucleus is a membrane-bound organelle that houses the genetic material in eukaryotic cells and is absent in prokaryotic cells, making it exclusive to eukaryotes.