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

Eukaryotic Cell Architecture

Cell Biology

1. Overview of Cell Biology

Eukaryotic Cell Architecture

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Multiple Choice

Decondensed chromatin is located within the:

endoplasmic reticulum

mitochondria

nucleus

cytoplasm

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Verified step by step guidance

Understand the structure and function of chromatin: Chromatin is a complex of DNA and proteins that is found in eukaryotic cells. It exists in two forms: condensed (heterochromatin) and decondensed (euchromatin). Decondensed chromatin is transcriptionally active, meaning it is accessible for gene expression.

Identify the location of chromatin: Chromatin is located within the nucleus of eukaryotic cells. The nucleus is the organelle that houses the cell's genetic material (DNA) and is the site of processes such as transcription and replication.

Eliminate incorrect options: The endoplasmic reticulum is involved in protein and lipid synthesis, not in housing chromatin. Mitochondria are responsible for energy production and do not contain chromatin. The cytoplasm is the region outside the nucleus where organelles are suspended, but it does not contain chromatin.

Confirm the correct location: Since chromatin, including its decondensed form, is found exclusively in the nucleus, the correct answer is the nucleus.

Summarize the reasoning: Decondensed chromatin is located in the nucleus because this is where the cell's DNA is stored and accessed for transcription and other genetic processes.