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

4. DNA, Chromosomes, and Genomes

The Epigenetic Code

Cell Biology

4. DNA, Chromosomes, and Genomes

The Epigenetic Code

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Multiple Choice

Histone protein modifications can be inherited.

True

False

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Verified step by step guidance

Understand the role of histone proteins: Histones are proteins that help package DNA into structural units called nucleosomes. They play a crucial role in gene regulation.

Learn about histone modifications: Histone proteins can undergo various chemical modifications, such as methylation, acetylation, phosphorylation, and ubiquitination. These modifications can affect gene expression by altering chromatin structure or recruiting specific proteins.

Explore the concept of epigenetic inheritance: Epigenetic inheritance refers to the transmission of information from one generation to the next that is not encoded in the DNA sequence itself. Histone modifications are a form of epigenetic marks.

Consider the mechanism of inheritance: During cell division, histone modifications can be copied to new histones, allowing the 'memory' of gene expression states to be passed on to daughter cells.

Conclude with the implication: Since histone modifications can be maintained through cell divisions and potentially across generations, they can indeed be inherited, supporting the statement as true.