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प्रश्न
The sugar component of nucleotide unit in RNA is _________________
विकल्प
α-deoxy-D-ribose
D-ribose
L-ribose
2-deoxy-L-ribose
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उत्तर
The sugar component of nucleotide unit in RNA is D-ribose
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. (_______)
The following statement applies to DNA only, some to RNA only, and some to both. Label them accordingly.
The polynucleotide contains guanine. (_______)
Draw a neat diagram for the following:
dAMP
Write the name of the base present in DNA but not found in RNA.
Sugar present in DNA is ___________
Define the following term.
nucleoside
Draw structure of following.
Cytosine
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.
______ is a single ring compound.
Identify the monomer of nucleic acid.
In an experiment, DNA was found to have 31 % adenine and 19% guanine. Identify the percentage of cytosine in the given molecule of DNA.
Nucleotides are linked together through ____________.
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 ____________.
What type of linkages holds together monomers of DNA?
Give any three differences between DNA and RNA.
Complete the flow chart on central dogma.
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 ______.
Draw a neat diagram for the following:
AMP
What type of sugar molecule is present is DNA?
The following ratio is generally constant for a given species
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
Which of the following are correct combination of purine bases?
Name two kinds of nucleic acids.
