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Read the following five statements (A to...

Read the following five statements (A to E) about nucleic acids and select the option with all correct statements:
(A) DNA is a long polymer of deoxyribonucleotides.
(B) The two chains of DNA have anti-parallel polarity.
(C) The backbone in a polynucleotide chain is formed due to nitrogenous bases and phosphates.
(D) DNA acts as the genetic material in most of the organisms.
(E) Uracil is present in RNA at the place of cytosine.

A

(A), (D) and (E)

B

(B), (C) and (E)

C

(A), (C) and (D)

D

(A), (B) and (D)

Text Solution

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The correct Answer is:
D
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GRB PUBLICATION-GENE EXPRESSION AND REGULATION-NCERT Corner(Exemplar Problems)
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  2. In E. coli, the lac operon gets switched on when

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  3. A diagrammatic representation of the central dogma in molecular biolog...

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  4. Diagrammatic view of a dinucleotide is given below. Identify A,B and D...

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  5. Read the following five statements (A to E) about nucleic acids and se...

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  6. Diagram of a nucleosome is given below. Identify A, B and C by selecti...

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  7. Which one of the following statements is wrong ?

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  8. Schematic structure of a transcription uit is given below. Select the ...

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  9. A diagrammatic view the Hershey-Chase experiment is given below. Ident...

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  10. Watson-Crick model for DNA replication is given below. Identify the mo...

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  11. Consider the following statements : A. RNA has evolved from DNA with...

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  12. The following diagram shows the lac Operon in the absence of inducer: ...

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  13. Identify the molecule shown below :

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  14. Consider the following statements with respect to translation. A. Tr...

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  15. Which one of the following statements is incorrect?

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  16. Initiation step during the process of transcription in bacteria is sho...

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  17. Process of transcription in eukaryotes is given below. Identify A,B,C ...

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  18. Which of the following statement/s regarding nucleic acids is/are wron...

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  19. Select the correct option :

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  20. Which of the following statements about the t-RNA is not true?

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