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प्रश्न
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उत्तर
Features of DNA:
(a) DNA consists of two strands which are spirally arranged around an axis. This is called a double helical arrangement.
(b) Each DNA strand is made up of nitrogenous bases, pentose sugar and phosphate.
(c) Sugars are pentose type; bases are adenine, guanine, cytosine and thymine.
(d) Both strands are connected with hydrogen bonds. There are two bonds between adenine and thymine and three bonds between guanine and cytosine.
(e) In the DNA, bases are inside and sugars are outside and two sugars are connected with phosphoric acid.
(f) Each DNA strand replicates and from each replicated DNA a new DNA is formed. This is called replication of DNA.
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संबंधित प्रश्न
Fill in the blanks:
There are two nucleic acids ______ and ______.
Fill in the blank:
DNA acts as director of ______ synthesis.
Give Technical Term:
The individual having similar pair of genes.
Multiple Choice Question:
The molecular knives of DNA are _______.
What is the name given to the segments of DNA, which are responsible for the inheritance of a particular character?
How is the structure of DNA organized?
____________ were used by Friedrich Miescher for his experiments.
Decarboxylation is not involved in:
Expand the abbreviation - DNA.
