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प्रश्न
In which of the following structure of DNA carries genetic information of the organism?
विकल्प
the primary structure of DNA
the double helix structure of DNA
complementary base pairing
sugar-phosphate backbone
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उत्तर
the primary structure of DNA
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. (_______)
Write the sequence of the complementary strand for the following segment of a DNA molecule.
5' - CCGGTTAATACGGC - 3'
Write the name of the base present in DNA but not found in RNA.
Define the following term.
nucleoside
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.
______ is a single ring compound.
____________ bonds are absent in DNA.
Identify the CORRECT statement.
Nucleotides are linked together through ____________.
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?
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.
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?
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.
What are the three distinct chemical components that make up a nucleotide?
Which pentose sugar is found specifically in DNA?
Which chemical linkage is responsible for joining two distinct nucleotides together to form a polynucleotide chain?
What is the primary structural feature of DNA according to the Watson and Crick Model?
Which genetic disorders are mentioned as examples where nucleic acid principles are applied in medical diagnosis?
