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The AT/GC ratio in human beings is (wher...

The AT/GC ratio in human beings is (where A=adenine, T=thymine, G=guanine, C=cytosine)

A

1.53

B

1.25

C

0.93

D

1

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A
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Why adenine always pairs with thymine and guanine with cytosine ?

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AAKASH SERIES-BIOMOLECULES-EXERCISE - II (Nucleic acids)
  1. In both DNA and RNA, heterocyclic base and phosphate ester linkages ar...

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  2. Number of base pairs present in total DNA of human cell (human genome)...

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  3. The AT/GC ratio in human beings is (where A=adenine, T=thymine, G=guan...

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  4. The ratio of number of A+G to the number of C+T in DNA of E. Coli spec...

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  5. Which of the following processes is ''semi conservative'' ?

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  6. The relationship between the nucleotide triplets and the amino acids i...

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  7. Number of C = O groups in thymine and in X are equal. Now, X is

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  8. The sugar unit present in the nucleotides of RNA is

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  9. In the nucleotide namely adenosine-5'-tri phosphate, the sequence of l...

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  10. Incorrect relationship regarding all types of living species is

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  11. The reason for double helical structure of DNA is operation of

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  12. The ratio of the number of ketonic groups in cytosine, thymine and ura...

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  13. In nucleosides, both base and sugar are joined by

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  14. The number of hydrogen bonds present in the sequence of a stretch of a...

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  15. Two samples of DNA, A and B have melting points 340K and 350 K respect...

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  16. Which one of the following sequence of groups in AMP ?

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  17. The process in which strands of melted DNA hybridise on cooling is kno...

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  18. Insulin has two polypeptide chains. These polypeptide chains are held ...

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  19. Which one of the following statement is incorrect regarding the protei...

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  20. Through this experiment Avery, Macleod and Mc Carty had showed that DN...

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