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प्रश्न
Define the following term:
Nucleotide
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उत्तर १
The repeating monomers in unbranched polymers of nucleic acids are called nucleotides.
उत्तर २
A nucleotide is the fundamental unit of nucleic acids, which include DNA and RNA. A pentose sugar, a nitrogenous base, and a phosphoric acid group make up its three constituent parts.
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संबंधित प्रश्न
Write the structure of a nucleoside
Which of the following NOT present in DNA?
(a) adenine
(b) Guanine
(c) Thymine
(d) Uracil
Write the structure of a nucleotide
What are three types of RNA molecules which perform different functions?
What are nucleic acids?
Give balanced equations for the following reactions:
Name the nitrogen base residues present in DNA
Name the purine bases and pyrimidine bases present in RNA and DNA.
The presence or absence of hydroxyl group on which carbon atom of sugar differentiates RNA and DNA?
Which one of them is not a protein?
In both DNA and RNA, heterocyclic base and phosphate ester linkages are at ____________.
Which base is present in RNA, but not in DNA?
Nucleic acids are the polymers of ______.
DNA and RNA contain four bases each. Which of the following bases is not present in RNA?
Which of the following bases is not present in DNA?
Aldopentoses named as ribose and 2-deoxyribose are found in nucleic acids. What is their relative configuration?
Which of the following is not a protein?
Purine derivative among the following bases is ______.
Which of the following contributes to the double helical structure of DNA?
Write the important structural differences between DNA and RNA.
Which of the following statements is not true about RNA?
Write two differences between DNA and RNA.
Mention two important functions of nucleic acids.
Give a reason for the following observations:
The two strands in DNA are complementary to each other.
Assertion (A): The backbone of DNA and RNA molecules is a chain consisting of heterocyclic base, pentose sugar and phosphate group.
Reason (R): Nucleotides and nucleosides mainly differ from each other in the presence of phosphate group.
State the functions of RNA and DNA.
What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?
