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In DNA, the complementary bases are :...

In DNA, the complementary bases are :

A

adenine and thymine , guanine and cytosine.

B

adenine and thymine, guanine and uracil

C

adenine and thymine, thymine and cytosine.

D

adenine and thymine, cytosine and guanine

Text Solution

Verified by Experts

The correct Answer is:
A
Deoxyribonucleic acid (DNA) has the purine bases like adenine and guanine and pyrimidine bases such as thymine and uracil. According to base pairing rule adenine paired with thymine (A=T) and cytosine paired with guanine (C`-=`G).
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NARAYNA-BIOMOLECULES-EXERCISE-3
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  2. Assertion- Diusruption of the natural structure of a protein is called...

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  3. In DNA, the complementary bases are :

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  4. Which of the following is not present in a nucleotide ?

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  5. Preteins when heated with conc. NHO3 give a yellow colour. This is

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  6. In the following strcuture anomeric carbon is

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  7. A diabetic person carries a packet of glucose with him always because

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  8. The segment of DNA which acts as the instrumental manual for the synth...

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  9. The base found only in nucleotide of RNA, is

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  10. The transfer RNA anticodon for the messenger RNA codon G-C-A is

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  11. The pK(a1) and pK(a2) of an amino acid are 2.3 and 9.7 respectively. T...

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  12. Which one of the following does not exhibit the phenomenon of mutarota...

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  13. Hydrolysis of sucrose is called

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  14. Glucose + Tollen's reagent to Silver mirror the above process shows

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  15. Which one of the following statements is not true regarding ( +) Lacto...

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  16. What is nature of glucose -glucose linkage in starch that makes its so...

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  17. Which is not the correct statement about RNA and DNA?

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  18. Which one of the following statements is incorrect about enzyme catal...

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  19. Deficiency of vitaminB(1) causes the disease :

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  20. Which one of the following sets of monosaccharides

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