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There are 64 codons in genetic code dict...

There are 64 codons in genetic code dictionary because

A

there are 64 type of tRNAs found in the cell

B

there are 44 meaningless and 20 codons for amino acids

C

there are 64 amino acids to be coded

D

genetic code is triplet

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The correct Answer is:
D
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ARIHANT NEET-GENE, ITS EXPRESSION AND REGULATION-Chapter Exercise (A) Taking it together (Assorted questions of the Chapter for Advanced Level Practice
  1. A bacterium with completely radioactive DNA was allowed to replicate i...

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  2. RNA and DNA were artificially synthesised in vitro by

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  3. There are 64 codons in genetic code dictionary because

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  4. A songle anticodon can recognize more than one codon of m-RNA. This ph...

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  5. What becomes established from the wooble hypothesis

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  6. In order to enable a chemical to serve as a genetic material , it is e...

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  7. In the absence of beta- galactosides, transcription of

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  8. The complex CAP-c-AMP, which increases the affinity of RNA polymerase ...

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  9. If following is the sequence of nucleotides in mRNA , predict the sequ...

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  10. In a transcription unit, the activity of RNA polymerase at a given pro...

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  11. Which of the following statements is correct?

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  12. The gene, which producers mRNA has specific start and stop signals, wh...

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  13. RNA polymerase

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  14. UAA, UAG and UGA are known as non - sense codons because they

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  15. Genetic material is

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  16. Transfer RNA

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  17. Translocation involves

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  18. Changes in a polypeptide after translation may involve the

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  19. Several proteins may be produced at the same time

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  20. A ribozyme is an

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