Q1 of 42 Page 1

Name the negatively charged and positively charged components of a nucleosome.

In a nucleosome, the negatively charged component is DNA and positively charged component is the histone octamer.

Explanation:


Structure of nucleosome:



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(a) What is the functional difference between B cells and T cells.

(b) Name the source used to produce hepatitis B vaccine using rDNA technology.


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How did Griffith prove transforming principle in Genetics. Explain the procedure.

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How do “Pleiotropy”, “incomplete dominance”, “co-dominance” and “polygenic inheritance” deviate from the observation made by Mendel ? Explain with the help of one example for each.


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Name the type of interaction that exists between barnacles and whale.

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How do cytokine barriers help in evading viral injections?