Table of contents

1. Introduction to Microbiology3h 22m
2. Disproving Spontaneous Generation1h 18m
3. Chemical Principles of Microbiology3h 38m
4. Water1h 28m
5. Molecules of Microbiology2h 23m
6. Cell Membrane & Transport3h 28m
7. Prokaryotic Cell Structures & Functions5h 52m
8. Eukaryotic Cell Structures & Functions2h 18m
9. Microscopes2h 46m
10. Dynamics of Microbial Growth4h 36m
11. Controlling Microbial Growth4h 10m
12. Microbial Metabolism5h 16m
13. Photosynthesis2h 31m
14. DNA Replication2h 25m
15. Central Dogma & Gene Regulation7h 14m
16. Microbial Genetics4h 44m
17. Biotechnology3h 0m
18. Viruses, Viroids, & Prions4h 56m
19. Innate Immunity7h 15m
20. Adaptive Immunity7h 14m
21. Principles of Disease6h 57m

15. Central Dogma & Gene Regulation

Eukaryotic Chromatin Modifications

Microbiology

15. Central Dogma & Gene Regulation

Eukaryotic Chromatin Modifications

Previous problemNext problem

Struggling with Microbiology?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

Histone acetylation is associated with:

Activate transcription in that region, RNA Polymerase can easily interact with DNA.

Repressed transcription in that region, RNA Polymerase cannot easily interact with DNA.

Tightly-packed nucleosomes.

No change in chromatin structure or transcription rates.

Previous problemNext problem

Verified step by step guidance

Understand the role of histones: Histones are proteins that help package DNA into structural units called nucleosomes. This packaging can influence gene expression by controlling the accessibility of DNA to transcription machinery.

Learn about acetylation: Acetylation is a chemical modification where an acetyl group is added to a molecule. In the context of histones, acetylation typically occurs on lysine residues in the histone tails.

Explore the effect of histone acetylation: Acetylation of histones neutralizes the positive charge on lysine residues, reducing the interaction between histones and the negatively charged DNA. This leads to a more relaxed chromatin structure.

Connect acetylation to transcription: The relaxed chromatin structure resulting from histone acetylation allows transcription factors and RNA polymerase easier access to DNA, thereby facilitating transcription.

Evaluate the options: Based on the understanding that histone acetylation leads to a more open chromatin structure and increased transcription, identify the option that aligns with this effect.