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The packaging of chromatin at a higher l...

The packaging of chromatin at a higher level requires an additional set of proteins that collectively are rerferred to as

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.

B

If both Assertion & Reason are trur but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is Flase.

D

If both Assertion & Reason are false.

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A
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Go through the following statements: (i) a typical nucleosome contains 400 bp of DNA helix. (ii) The positively charged DNA is wrapped around the negatively charged histoned octamer to form a structure called nucleosome. (iii) Histones are rich in the basic amino acid residues asparagine ad valine (iv) The packaging of chromatin at higher level requires additional set of proteins that collectively are referred to as nonhistone chromosomal proteins. Find out the wrong statements:-

Which of the following statement is true for the packaging of DNA in eukayotes? A. DNA is packaged with a set of basic protein called histone. B. Histone contain negatively charged amino acid in its side chain. C. DNA packed with histone octamer are called nuclesome. D. Nuclesome is further packed to form chromatin fibre.

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Energy requirement for the maintenance of body with successively higher trophic level

Assertion : Biofortifications is the most practical aspect to improve health of the people. Reason : Biofortifications is breeding crops with higher levels of vitamins or minerals or higher proteins and healthier fats.

ALLEN-GENETICS & MOLECULAR BASIS OF INHERITANCE AND MUTATION-EXERCISE-IV (ASSERTION & REASON)
  1. Assertion :- Hydrogen bonds between base pairs is the only mean to st...

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  2. Assertion :- Positively charged histone proteins are essential for pac...

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  3. The packaging of chromatin at a higher level requires an additional se...

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  4. Assertion :- Euchromatin is said to be transcriptionally acitve chroma...

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  5. The unequivocal proof that DNA is the genetic material came from the e...

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  6. Assertion :- DNA is perdominant genetic material. Reason : It is abl...

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  7. Assertion :- DNA is chemically and structurally more stable. Reason...

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  8. Assertion :- DNA is chemically and structural more stable. Reason : ...

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  9. Assertion :- RNA is less stable then DNA. Reason : In RNA'2 - OH gro...

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  10. Assertion :- RNA is not a predominant genetic material. Reason : RNA...

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  11. Assertion :- RNA is best material for transmission of genertic informa...

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  12. Assertion :- RNA viruses having shorter life span and evolve faster. ...

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  13. Assertion :- In the same generation for transmission of genetic inform...

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  14. Assertion :- Essential life processes evolved around RNA. Reason : B...

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  15. Assertion :- In Meselson and Stahl experiment ""^(15)NH(4)Cl can be se...

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  16. Assertion :- Tylor and colleages in 1958 used CsCl density gradient ce...

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  17. Assertion :- Beside high rate of polymerization of nucleotides DNA pol...

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  18. Assertion :- DNA replication is energetically a very expensive process...

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  19. Deoxyribonucleoside triphosphate acts as and they provide for poly...

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  20. Assertion :- For long DNA molecule, the two strnds of DNA can not be s...

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