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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
The following statement applies to DNA only, some to RNA only, and some to both. Label them accordingly.
The polynucleotide contains uracil. (________)
In which of the following structure of DNA carries genetic information of the organism?
Write the name of the base present in DNA but not found in RNA.
Draw structure of following.
Cytosine
An example of feedback inhibition is ______.
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.
In an experiment, DNA was found to have 31 % adenine and 19% guanine. Identify the percentage of cytosine in the given molecule of DNA.
Watson and Crick are known for their discovery of ______.
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 ______.
Nucleotides = ____________.
Which of the following is not present in DNA?
Nucleotides are linked together through ____________.
The correct statement regarding RNA and DNA respectively is ____________.
The pyrimidine bases present in DNA are ____________.
What type of linkages holds together monomers of DNA?
Write a note on the formation of α-helix.
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?
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 ______.
What type of sugar molecule is present is DNA?
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
Which of the following are correct combination of purine bases?
Identify the INCORRECT statement regarding nuclein.
Match List - I with List - II.
| List - I | List - II |
| A. Adenosine | I. Nitrogen base |
| B. Adenylic acid | II. Nucleotide |
| C. Adenine | III. Nucleoside |
| D. Alanine | IV. Amino acid |
Choose the option with all correct matches.
The size of mRNA is generally related to ______.
