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प्रश्न
Define the following term.
nucleoside
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उत्तर
The unit formed by joining the anomeric carbon of the furanose (sugar) with a nitrogen of a base is called nucleoside.
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संबंधित प्रश्न
Give scientific reasons:
On complete hydrolysis DNA gives equimolar quantities of adenine and thymine.
Write the sequence of the complementary strand for the following segment of a DNA molecule.
5' - CCGGTTAATACGGC - 3'
Draw a neat diagram for the following:
dAMP
Draw structure of following.
2-Deoxy-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.
Explain the structure and function of different types of RNA.
Identify the INCORRECT match.
In 1924, Feulgen showed that ______ contain DNA.
Watson and Crick are known for their discovery of ______.
Which pair of bases is present both in DNA and RNA?
Purine derivative among the following bases is ____________.
Which of the following is not present in DNA?
Nucleotides are linked together through ____________.
The correct statement regarding RNA and DNA respectively is ____________.
Give any three differences between DNA and RNA.
Complete the flow chart on central dogma.
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 ______.
Give names of the purines.
Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category against it?
The following ratio is generally constant for a given species
Refer to the given figure.
Select the option which correctly identifies.
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
Which of the following are correct combination of purine bases?
The size of mRNA is generally related to ______.
