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प्रश्न
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 ______.
विकल्प
Nitrogen base
Adenine
Sugar phosphate
Nucleotide
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उत्तर
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 nucleotide.
Explanation:
Nucleotide = base + sugar + phosphate
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संबंधित प्रश्न
Give scientific reasons:
On complete hydrolysis DNA gives equimolar quantities of adenine and thymine.
The following statement applies to DNA only, some to RNA only, and some to both. Label them accordingly.
The polynucleotide contains uracil. (________)
The following statement applies to DNA only, some to RNA only, and some to both. Label them accordingly.
The polynucleotide contains guanine. (_______)
Draw a neat diagram for the following:
One purine base from nucleic acid
Sugar present in DNA is ___________
Define the following term.
nucleoside
Pentose sugar present in RNA is ______
Watson and Crick are known for their discovery of ______.
In which of the following RNA is genetic material?
Purine derivative among the following bases is ____________.
The correct statement regarding RNA and DNA respectively is ____________.
Write a note on the formation of α-helix.
Building block of nucleic acid is ______.
Which of the following are substituted purines?
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
Write the structure of D-ribose.
What are the nucleotides?
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 ______.
