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प्रश्न
Label the parts of the DNA in the diagram given below. Explain the structure briefly.
उत्तर
DNA is the hereditary material as it contains genetic information. DNA is a large molecule, consisting of millions of nucleotides. Each nucleotide consists of three compounds.
Nucleotides in a DNA
(a) A sugar molecule – Deoxy Ribose sugar
(b) A nitrogenous base [Purines and Pyrimidines]
- Purines (Adenine and Guanine)
- Pyrimidines (Cytosine and Thymine)
(c) A phosphate group Nucleoside and Nucleotide:
Nucleoside = Nitrogen base + sugar
Nucleotide = Nucleoside + Phosphate
The nucleotides are formed according to the purines and pyrimidines present in them.
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संबंधित प्रश्न
What are the rungs of the “DNA ladder” made of?
Choose the correct answer :
RNA has uracil instead of ____________
Multiple Choice Question:
In the RNA molecule, which nitrogen base is found in place of thymine?
Multiple Choice Question:
Place the following event of translation in the correct sequence
i. Binding of met-tRNA to the start codon.
ii. Covalent bonding between two amino acids.
iii. Binding of second tRNA.
iv. Joining of small and large ribosome subunits.
What is the name given to the segments of DNA, which are responsible for the inheritance of a particular character?
What is the biological significance of DNA?
____________ were used by Friedrich Miescher for his experiments.
A lysogen is a ______.
