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6. Molecular Basis of Inheritance
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Q19 of 71 Page 36

Which of the following are the functions of RNA?

a. m-RNA or Messenger RNA is a carrier of genetic information from DNA to ribosomes synthesising polypeptides.


b. t-RNA or transfer RNA carries amino acids to ribosomes.


c. r-RNA or ribosomal RNA is the constituent component of ribosomes.

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17

Which of the following statements is correct about the role of regulatory proteins in transcription in prokaryotes?

18

Which was the last human chromosome to be completely sequenced:

20

While analysing the DNA of an organism a total number of 5386 nucleotides were found out of which the proportion of different bases were: Adenine = 29%, Guanine = 17%, Cytosine = 32%, Thymine = 17%. Considering the Chargaff’s rule, it can be concluded that:

21

In some viruses, DNA is synthesised by using RNA as template. Such a DNA is called:

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