Question

Witch pair of nitrogen bases will form a bond in a dna molecule?

Answer 1

So the answer is Adenine and guanine

DNA consist of fur kinds of nitrogenous base: Adenine (A), thymine (T), guanine (G), and cytosine (C). The DNA molecule is a double helix and consist of two strands of smaller molecules called nucleotides wrapped around each other.

Adenine and guanine have a double ring and are called purines. The base in the two strands always forms a specific base pairs. This means that adenine and guanine similarly bind in the other strand.

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Answer 2

In the DNA

Adenine makes bond with thymine

cytosine makes bond with guanine

Step-by-step explanation

According to the discovery of Watson and Crick, DNA is the double helix structure contains two ladders like strands which are twisted with each other to make the structure stable with better Hydrogen bonding. In this helix, DNA consists of four types of Nitrogenous bases which play their role as the code of the genes. These Nitrogenous bases consist of Adenine, Thymine, Guanine and Cytosine. Adenine bonds with thymine through double hydrogen bonding and guanine with cytosine through triple hydrogen bonds with cytosine.