Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Genetics question
![**Understanding Chromatin Structure and Nucleosomes**
Chromatin of eukaryotes is organized into repeating interactions with protein octamers called nucleosomes. Nucleosomes are composed of DNA and:
- [ ] multiple histone proteins
- [ ] cohesins
- [ ] telomerase
- [ ] kinetochore proteins
**Explanation:**
The nucleosome is the fundamental unit of chromatin, packing DNA into a more compact form. It consists of DNA wrapped around a core of histone proteins, forming a structure resembling "beads on a string." This organization helps control gene expression and DNA replication. Each nucleosome contains eight histone proteins, making it an octamer. Understanding this structure is key to studying genetic material regulation in cellular processes.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F038406b0-6776-4018-a238-9cdfdbcd8782%2Fb3ddf594-4e17-4083-9b2b-dde09f404086%2Fw6l40nu_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Understanding Chromatin Structure and Nucleosomes**
Chromatin of eukaryotes is organized into repeating interactions with protein octamers called nucleosomes. Nucleosomes are composed of DNA and:
- [ ] multiple histone proteins
- [ ] cohesins
- [ ] telomerase
- [ ] kinetochore proteins
**Explanation:**
The nucleosome is the fundamental unit of chromatin, packing DNA into a more compact form. It consists of DNA wrapped around a core of histone proteins, forming a structure resembling "beads on a string." This organization helps control gene expression and DNA replication. Each nucleosome contains eight histone proteins, making it an octamer. Understanding this structure is key to studying genetic material regulation in cellular processes.
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