The bonds joining two successive nucleotides of DNA strand are called _______.

Phospho-di-ester bonds

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Covalent bonds

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Hydrogen bonds

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Glycosidic bonds

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Solution

The correct option is A Phospho-di-ester bonds
The bond joining two successive nucleotides in the same strand of DNA is called the phosphodiester bond. the phosphodiester bond is the linkage between the 3' carbon atom of one sugar molecule and the 5' carbon atom of another, deoxyribose in DNA and ribose in RNA. Strong covalent bonds form between the phosphate group and two 5-carbon ring carbohydrates (pentoses) over two ester bonds.

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Q. The bond joining two successive nucleotides in the same strand of DNA is called

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Q. Identify the pair of nucleotides which is joined by three hydrogen bonds in double-stranded DNA

Q.
Two nucleotides in a strand are linked through H-bond form a dinucleotide.

Name the following :
(a) The repeating components of each DNA strand lengthwise.
(b) The complex structure consisting of DNA strand and a core of histones.
(c) The type of bond which joins the complementary nitrogenous bases.
(d) The three components of a nucleotide.

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