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प्रश्न
The following statement applies to DNA only, some to RNA only, and some to both. Label them accordingly.
The polynucleotide contains uracil. (________)
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उत्तर
The polynucleotide contains uracil. (RNA)
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संबंधित प्रश्न
The following statement applies to DNA only, some to RNA only, and some to both. Label them accordingly.
The polynucleotide contains D-ribose. (_______)
Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown & one blank component “ X” in it.

Distinguish between Nitrogen base and a base found in inorganic chemistry.
Identify the monomer of nucleic acid.
______ is NOT a pyrimidine.
Identify the INCORRECT match.
In 1924, Feulgen showed that ______ contain DNA.
In which of the following RNA is genetic material?
DNA consists of two complementary nucleotide chains. If the sequence of nucleotide in one of the chains is 5' AGCTTCGA3', then the nucleotide sequence in the other chain shall be ______.
Identify the CORRECT statement.
What is the number of \[\begin{array}{cc}\\\backslash\phantom{.......}\\\phantom{}\ce{C = O}\\/\phantom{........}\end{array}\] groups present in nitrogen bases of nucleic acids, thymine and uracil respectively?
The pyrimidine bases present in DNA are ____________.
If Adenine makes 30% of the DNA molecule, what will be the percentage of Thymine, Guanine, and Cytosine in it?
Which of the following are substituted purines?
When you take cells or tissue pieces and grind them with an acid in a mortar and pestle, all the small biomolecules dissolve in the acid. Proteins, polysaccharides and nucleic acids are insoluble in mineral acid and get precipitated. The acid soluble compounds include aminoacids, nucleosides, small sugars etc. When one adds a phosphate group to a nucleoside, one gets another acid soluble biomolecule called ______.
Draw a neat diagram for the following:
AMP
Which of the following is not present in a nucleotide?
Which carbon atom of deoxy Ribose sugar in DNA does not contain \[\begin{array}{cc}|\phantom{...}\\\ce{- C - OH}\\|\phantom{....}\\ \end{array}\] bond?
Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category against it?
Watson and Crick (1953) proposed DNA double helix model and won the Nobel Prize; their model of DNA was based on:
- X-ray diffraction studies of DNA were done by Wilkins and Franklin.
- Chargaff’s base equivalence rule
- Griffith's transformation experiment
- Meselson and Stahl's experiment
Name two kinds of nucleic acids.
Which scientist discovered and isolated nucleic acids from pus cells in 1869?
Which pentose sugar is found specifically in DNA?
Which chemical linkage is responsible for joining two distinct nucleotides together to form a polynucleotide chain?
Which nitrogenous bases are classified as pyrimidines?
What organic classification do nitrogenous bases belong to?
