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Structure of RNA

How may diffe...

Question

How may different bases are found in DNA molecule? Which bases pair together?

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Solution

Deoxyribonucleic acid (DNA):
DNA is the genetic material found in various organisms.
It is composed of deoxyribose sugar, nitrogenous bases, and phosphate group.
DNA has four types of nitrogenous bases: adenine(A), guanine(G), thymine(T), and cytosine(C).
The nitrogenous bases are attached together by hydrogen bonds.
Adenine gets attached to thymine with two hydrogen bonds while guanine gets attached to cytosine with three hydrogen bonds.

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Q. 1.The base sequence in one of the strands of DNA is TAGCATGAT.
a) Give the base sequence of the complementary strand .
b) How are these base pairs held together in a DNA molecule ?
c) Explain the base complementarity rule . Name the scientist who framed this rule.

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