'Histone octamers' presentation slideshows

Chapter 19

Chapter 19. Nucleosomes.

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Chapter 19

Chapter 19. Nucleosomes.

896 views • 80 slides

Chapter 19

Chapter 19. Nucleosomes.

813 views • 80 slides

Chapter 19 (part 2)

691 views • 33 slides

Nucleosomes

Nucleosomes. Chapter 29. 29.2 The Nucleosome Is the Subunit of All Chromatin. Micrococcal nuclease releases individual nucleosomes from chromatin as 11S particles. Figure 29.2. A nucleosome contains: ?200 bp of DNA two copies of each core histone (H2A, H2B, H3, and H4). Figure 29.3.

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DNA topoisomerases in vivo

DNA topoisomerases in vivo. Dr . Sevim I??k. What is Supercoiling?. In addition to the helical coiling of the strands to form a double helix, the double stranded DNA molecule can also twist upon itself. Supercoiling occurs in nearly all chromosomes ( circular or linear ) .

1.78k views • 28 slides