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Question
Draw structure of following.
2-Deoxy-D-ribose
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Solution
RELATED QUESTIONS
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 is double stranded. (_______)
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 name of the base present in DNA but not found in RNA.
Sugar present in DNA is ___________
Define the following term.
nucleoside
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.
Write the characteristic feature of DNA.
Explain the structure and function of different types of RNA.
Identify the INCORRECT match.
In an experiment, DNA was found to have 31 % adenine and 19% guanine. Identify the percentage of cytosine in the given molecule of DNA.
____________ bonds are absent in DNA.
Identify the CORRECT statement.
What is the number of \[\begin{array}{cc}\\\backslash\phantom{.......}\\\phantom{}\ce{C = O}\\/\phantom{........}\end{array}\] groups present in nitrogen bases of nucleic acids, thymine and uracil respectively?
If one strand of the DNA has the sequence ‘ATGCTTGA’, then the sequence of complementary strand would be ____________.
What type of linkages holds together monomers of DNA?
Write a note on the formation of α-helix.
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?
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
Define the Nucleic acids.
What are the nucleotides?
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.
What is the primary structural feature of DNA according to the Watson and Crick Model?
Which application of nucleic acid principles is used for personal identification and forensic investigation?
Which genetic disorders are mentioned as examples where nucleic acid principles are applied in medical diagnosis?
