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DNA nucleotides are attached by...

DNA nucleotides are attached by

A

Hydrogen bond

B

Covalent bond

C

van der waals, bond

D

Electrovalent bond

Text Solution

Verified by Experts

The correct Answer is:
A
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In a nucleus, the number of RNA nucleoside triphosphates is 10 times more than the number of DNA nucleoside triphosphates, still only DNA nucleotides are added during the DNA replication, and not the RNA nucleotides. Why?

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Knowledge Check

  • Which of these statements about protein synthesis are NOT correct ? I. During transcription, mRNA synthesized from DNA nucleotides to have the same sequence of nucleotides as the DNA strand on which it was made. II. During transcription , tRNA is synthesized from RNA nucleotides and carries codons that are complementary to the sequence of nucleotides on the DNA strand on which it was made. III. During translation, mRNA is synthesized from RNA nucleotides to have the complementary sequence of nucleotides to that. Of the DNA strand on which it was made . IV. During translation ribosomes move on mRNA from '5' and '3' one codon at a time .This is called translocation

    A
    I,II and III only
    B
    I,II ,III and IV
    C
    III and IV only
    D
    I, II and IV only

  • Phosphate of a nucleotide is attached to carbon atom of its pentose sugar

    A
    1'
    B
    2'
    C
    3'
    D
    5'

  • If there are 10,000 nitrogenous base pairs in a DNA then how many nucleotides are there-

    A
    500
    B
    `10,000`
    C
    `20,000`
    D
    `40,000`

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