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प्रश्न
The following statement applies to DNA only, some to RNA only, and some to both. Label them accordingly.
The polynucleotide contains guanine. (_______)
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उत्तर
The polynucleotide contains guanine. (Both DNA and RNA)
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संबंधित प्रश्न
Give scientific reasons:
On complete hydrolysis DNA gives equimolar quantities of adenine and thymine.
Draw a neat diagram for the following:
dAMP
Draw a neat diagram for the following:
One purine base from nucleic acid
The sugar component of nucleotide unit in RNA is _________________
In which of the following structure of DNA carries genetic information of the organism?
Write the name of the base present in DNA but not found in RNA.
Define the following term.
nucleoside
Distinguish between Nitrogen base and a base found in inorganic chemistry.
Explain the structure and function of different types of RNA.
Pentose sugar present in RNA is ______
In an experiment, DNA was found to have 31 % adenine and 19% guanine. Identify the percentage of cytosine in the given molecule of DNA.
DNA consists of two complementary nucleotide chains. If the sequence of nucleotide in one of the chains is 5' AGCTTCGA3', then the nucleotide sequence in the other chain shall be ______.
Which of the following is not present in 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?
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?
Define the Nucleic acids.
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 ______.
What are the three distinct chemical components that make up a nucleotide?
Which chemical linkage is responsible for joining two distinct nucleotides together to form a polynucleotide chain?
According to Chargaff's Rule, what is the relationship between purines and pyrimidines in DNA?
Which nitrogenous bases are classified as purines?
Which nitrogenous bases are classified as pyrimidines?
