What structure indexes the process of DNA packaging into chromosomes?
Understand the Problem
The question is asking about the specific structure that is responsible for the organization and packaging of DNA into chromosomes. This involves understanding the different components related to DNA structure and their functions in the cellular context.
Answer
The nucleosome.
The structure that indexes the process of DNA packaging into chromosomes is the nucleosome.
Answer for screen readers
The structure that indexes the process of DNA packaging into chromosomes is the nucleosome.
More Information
A nucleosome is formed by DNA wrapping around a core of histone proteins. These nucleosomes then coil and fold to form chromatin, which further compacts to form chromosomes.
Tips
Confusing chromatin and chromosomes as types of structures; chromatin is the material that composes chromosomes.
Sources
- Chromosomal DNA and Its Packaging in the Chromatin Fiber - NCBI - ncbi.nlm.nih.gov
- Nucleosome - Wikipedia - en.wikipedia.org
- 23.3: Chromosome Packaging - Biology LibreTexts - bio.libretexts.org
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