Biology, asked by mkumar9334262176, 1 year ago

for the purpose of dna replication the nitrogenous bases are used in the form of​

Answers

Answered by RapMonster1994
1

The four nitrogenous bases of DNA, eventually shown to play an important role in cellular information transfer, are: thymine (T), cytosine (C), adenine (A), and guanine (G).

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Answered by Sinthushaa
0

Answer:

For DNA replication, nitrogenous bases are used in the form of nucleotides

Explanation:

What are nitrogenous bases?

Nitrogenous bases or nucleobases are organic compounds that contain nitrogen groups in their structure. Some of the nitrogenous bases found in DNA and RNA are adenine, guanine, cytosine, thymine, and uracil.

What are nucleotides?

Nucleotides are the building blocks or units that help to build DNA and RNA. A single nucleotide is made up of:

  • phosphate group
  • pentose sugar
  • nitrogenous base

The nitrogenous base and sugar together form nucleosides. This binds together with a phosphate to form nucleotides. If the nucleoside binds with a single phosphate, it is called a nucleotide monophosphate

If it binds with two phosphates, it is called a nucleotide diphosphate. If it binds with three phosphates, it is called a nucleotide triphosphate. Some examples of these forms are:

  • AMP (adenosine monophosphate)
  • ADP (adenosine diphosphate)
  • ATP (adenosine triphosphate)

How is nucleotide used in replication?

  • First, the two nucleotides are held together by base pair ruling, like adenine with thymine and cytosine with guanine (uracil in the case of RNA).
  • These base pairs will form a double helix structure of the DNA with the help of hydrogen bonds and phosphodiester bonds, which help to hold two strands together.

Therefore, the nitrogenous base along with the phosphate and sugar groups forms a nucleotide for DNA replication.

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