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प्रश्न
Label the parts of the DNA in the diagram given below. Explain the structure briefly.
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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.
APPEARS IN
संबंधित प्रश्न
Answer the following question in your own words.
Express your opinion about the use of DNA fingerprinting.
Fill in the blank:
DNA replicates in the ______ of the cell cycle.
State whether the following sentence is true or false:
Each spiral of the DNA has 12 nucleotides.
State whether the following sentence is true or false:
In any specimen of DNA, the total molar amount of A + G = T+ C.
What happened when heat-killed S-cells along with living R-cells were injected into mice?
If a DNA has 20 Adenine and 30 cytosine bases. What will be the total number of purine bases in the given sample?
DNA consists of two ______ chains.
Decarboxylation is not involved in:
