Home
Class 12
BIOLOGY
Explain the structure of the Nucleosome....

Explain the structure of the Nucleosome.

Text Solution

Verified by Experts

(1) The negatively charged DNA is wrapped around the positively charged histone octamer to form a structure called nucleosome.
(2) Histones are organised to form a unit of eight molecules called a histone octamer. Histones are rich in amino acids like lysines and arginines.
(3) A typical nucleosome contains 200 base pairs of DNA helix.
(4) Nucleosomes constitute the repeating unit of a structure in the nucleus called chromatin, thread - like stained (coloured) bodies seen in nucleus.
(5) Nucleosomes in chromatin are seen as "beads-on-string" structures when viewed under electron microscope.
Promotional Banner

Topper's Solved these Questions

  • PUE MODEL QUESTION PAPER 1

    SUBHASH PUBLICATION|Exercise PART D(SECTIO II)|1 Videos

  • PUE MODEL QUESTION PAPER 1

    SUBHASH PUBLICATION|Exercise PART C|8 Videos

  • ORGANISMS AND POPULATIONS

    SUBHASH PUBLICATION|Exercise FIVE MARK QUESTION AND ANSWER|6 Videos

  • PUE MODEL QUESTION PAPER 2

    SUBHASH PUBLICATION|Exercise PART D (SECTION II)|5 Videos

Similar Questions

Explore conceptually related problems

Explain the structure of starch.

Explain the structure of Stomata.

Explain the structure of antibodies.

Explain the structure of water molecule ?

Explain the structure of PBR322.

Explain the structure of methane moleculeon the basis of hybridisation.

Explain the structure of methane molecule on the basis of hybridisation.

Explain the structure of a mature female gametophyte in flowering plants.

Explain the structure of mature female gametophyte with the help of a neat labelled diagram.

Based on VSEPR theory explain the structure of methane.