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

1. Overview of Cell Biology

Prokaryotes vs. Eukaryotes

Cell Biology

1. Overview of Cell Biology

Prokaryotes vs. Eukaryotes

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Multiple Choice

What is the most significant difference between eukaryotic and prokaryotic cells?

Prokaryotic cells contain mitochondria, while eukaryotic cells do not.

Eukaryotic cells lack ribosomes, while prokaryotic cells have them.

Eukaryotic cells have a membrane-bound nucleus, while prokaryotic cells do not.

Prokaryotic cells have linear chromosomes, while eukaryotic cells have circular chromosomes.

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Verified step by step guidance

Step 1: Understand the key structural differences between eukaryotic and prokaryotic cells. Eukaryotic cells are characterized by the presence of a membrane-bound nucleus, while prokaryotic cells lack a nucleus and instead have their genetic material freely floating in the cytoplasm.

Step 2: Analyze the options provided in the question. Option 1 states that prokaryotic cells contain mitochondria, which is incorrect because mitochondria are organelles found only in eukaryotic cells.

Step 3: Evaluate Option 2, which claims that eukaryotic cells lack ribosomes. This is incorrect because both eukaryotic and prokaryotic cells have ribosomes, although their structure and size differ slightly.

Step 4: Examine Option 3, which states that eukaryotic cells have a membrane-bound nucleus, while prokaryotic cells do not. This is correct and aligns with the fundamental distinction between these two cell types.

Step 5: Review Option 4, which claims that prokaryotic cells have linear chromosomes and eukaryotic cells have circular chromosomes. This is incorrect because prokaryotic cells typically have circular chromosomes, while eukaryotic cells have linear chromosomes.