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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?
पर्याय
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
State whether the following sentence is true or false:
Genes are arranged in a linear order on a chromosome.
Choose the correct answer :
Adenine is a __________
Choose the correct answer :
Which of these is not present in DNA?
Write the functional activity of the following structure:
DNA
Multiple Choice Question
DNA structure was discovered by:
Through which of the following experiments DNA was proved to be the genetic material in E. coli and bacteriophage?
In glycolysis how many NADH molecules are produced during the conversion of one glucose molecule to yield two molecules of pyruvate?
Which scientist isolated 'nuclein' from white blood cells in pus in 1869, later identified as DNA?
Nitrogenous bases in DNA are classified into two categories based on ring structure. Which bases belong to the purine class?
Which nitrogenous bases are classified as pyrimidines, characterized by their single-ringed structure?
