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प्रश्न
Write the name of the base present in DNA but not found in RNA.
उत्तर
Thymine
APPEARS IN
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 contains D-ribose. (_______)
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
The sugar component of nucleotide unit in RNA is _________________
An example of feedback inhibition is ______.
Write the characteristic feature of DNA.
______ is a single ring compound.
In 1924, Feulgen showed that ______ contain DNA.
In which of the following RNA is genetic material?
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 pair of bases is present both in DNA and RNA?
____________ bonds are absent in DNA.
Purine derivative among the following bases is ____________.
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 ____________.
Give any three differences between DNA and RNA.
If Adenine makes 30% of the DNA molecule, what will be the percentage of Thymine, Guanine, and Cytosine in it?
Building block of nucleic acid is ______.
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?
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?
Which of the following statements are correct?
- In animals, the causative agent of foot and mouth disease in single stranded RNA Aphthovirus.
-
In animals foot and mouth disease spreads by direct or indirect contact.
-
Anthrax is a disease of domestic animals caused by Bacillus anthracis.
-
Rinderpest is a contagious bacterial disease of cattle.
