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Chromatin is formed of strands of DNA and proteins called histones. PowerPoint Presentation
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Chromatin is formed of strands of DNA and proteins called histones. - PowerPoint PPT Presentation


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NUCLEUS HAS DOUBLE MEMBRANE NUCLEAR ENVELOPE ,HAVING NUMEROUS PORES FOR COMMUNICATION, CONTAINS DNA, CHROMOSOMES VISIBLE WHEN CELL IS DIVIDING, CELL CANNOT REPRODUCE WITHOUT A NUCLEUS .

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NUCLEUSHAS DOUBLE MEMBRANE NUCLEAR ENVELOPE ,HAVING NUMEROUS PORES FOR COMMUNICATION, CONTAINS DNA, CHROMOSOMES VISIBLE WHEN CELL IS DIVIDING, CELL CANNOT REPRODUCE WITHOUT A NUCLEUS

  • Chromatin is formed of strands of DNA and proteins called histones.
  • A nucleosome consists of 8 histones with a strand of DNA wrapped around them and secured with a 9th histone.
  • A chromosome is a highly coiled structure of many nucleosomes.

Molecules of the cell ribosomes are manufactured in the nucleolus. These molecules pass through the nuclear envelope and assembled outside.

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Centrosome occurs in eukaryotic cells.

It consists of a pair of centrioles.

Involved in assembling microtubules during cell division