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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
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. (_______)
Write the sequence of the complementary strand for the following segment of a DNA molecule.
5' - CGTTTAAG - 3'
Write the sequence of the complementary strand for the following segment of a DNA molecule.
5' - CCGGTTAATACGGC - 3'
Sugar present in DNA is ___________
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.
Write the characteristic feature of DNA.
Explain the structure and function of different types of RNA.
Pentose sugar present in RNA is ______
______ is NOT a pyrimidine.
Nucleotides = ____________.
Purine derivative among the following bases is ____________.
The pyrimidine bases present in DNA are ____________.
If one strand of the DNA has the sequence ‘ATGCTTGA’, then the sequence of complementary strand would be ____________.
Give any three differences between DNA and RNA.
Complete the flow chart on central dogma.

Which of the following are substituted purines?
Which of the following is not present in a nucleotide?
Which carbon atom of deoxy Ribose sugar in DNA does not contain \[\begin{array}{cc}|\phantom{...}\\\ce{- C - OH}\\|\phantom{....}\\ \end{array}\] bond?
The following ratio is generally constant for a given species
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
Which of the following are correct combination of purine bases?
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 ______.
