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प्रश्न
If a DNA has 20 Adenine and 30 cytosine bases. What will be the total number of purine bases in the given sample?
विकल्प
20
50
30
100
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उत्तर
50
explanation - Cytosine is purine base No. =30 (given)
Adenine is complementary to thymine which is a purine base
No. = 20 (given)
So, total no. Of purine bases =30 + 20 = 50
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संबंधित प्रश्न
Correct the following statement by changing the underlined word:
Nitrogen bonds are present between the complementary nitrogenous bases of DNA.
Correct the following statement if there is any mistake.
The four nitrogenous bases in the DNA are Guanine, Thiamine, Adrenaline and Cytosine.
The three sketch (A, B and C) are intended to represent the replication of DNA.
What should be their correct sequence, starting with the first and ending with the last? ……
Write a sentence of the following:
Chromonemata
State whether the following sentence is true or false:
Genes are arranged in a linear order on a chromosome.
Multiple Choice Question:
In the RNA molecule, which nitrogen base is found in place of thymine?
A lysogen is a ______.
Expand the abbreviation - DNA.
