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(a) What is this diagram representing? ...

(a) What is this diagram representing?
(b) Name the parts a, b and c.
(c) In the eukaryotes the DNA molecules are organized within the nucleus. How is the DNA molecule organized in a bacterial cell in absence of a nucleus?

Text Solution

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(a) A nucleosome
(b) a-Core of histone protein, b - DNA. c - Hi Histone respectively
(c) In Bacterial cell DNA is organized in large loops held by certain positively charged protein, in a region called nucleoid. DNA is single and circular in nature.
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TRUEMAN BIOLOGY-GENETICS AND EVOLUTION -SECTION-C
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