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प्रश्न
Give names of the purines.
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उत्तर
Adenine and Guanine
APPEARS IN
संबंधित प्रश्न
The following statement applies to DNA only, some to RNA only, and some to both. Label them accordingly.
The polynucleotide contains uracil. (________)
Draw a neat diagram for the following:
dAMP
The sugar component of nucleotide unit in RNA is _________________
Write the name of the base present in DNA but not found in RNA.
Define the following term.
nucleoside
An example of feedback inhibition is ______.
Explain the structure and function of different types of RNA.
In an experiment, DNA was found to have 31 % adenine and 19% guanine. Identify the percentage of cytosine in the given molecule of DNA.
In 1924, Feulgen showed that ______ contain DNA.
Which pair of bases is present both in DNA and RNA?
Nucleotides = ____________.
Identify the CORRECT statement.
What type of linkages holds together monomers of DNA?
Give any three differences between DNA and RNA.
Building block of nucleic acid is ______.
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 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?
Refer to the given figure.

Select the option which correctly identifies.
Which of the following statements are correct?
- In animals, the causative agent of foot and mouth disease in single stranded RNA Aphthovirus.
-
In animals foot and mouth disease spreads by direct or indirect contact.
-
Anthrax is a disease of domestic animals caused by Bacillus anthracis.
-
Rinderpest is a contagious bacterial disease of cattle.
Write the structure of D-ribose.
Name two kinds of nucleic acids.
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 ______.
