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Molecular Basis of Inheritance Quiz 2

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10 Question

Popular Questions In Molecular Basis of Inheritance Quiz 2

  • If the base sequence in DNA is 5′ AAAA 3′, then the base sequence in m-RNA is …………

  • During capping, methylated guanosine tri-phosphate is added to 5′ end of …………

  • If each codon has two nucleotides, then there will be ……………….. codons, which can encode for only …………….. different types of amino acids.

  • What would happen if in a gene encoding a polypeptide of 50 amino acids, 25th codon (UAU) is mutated to UAA?

  • A strand of DNA has following base sequence – 3′ AAAAGTGAATAGTGA 5′. On transcription it produces an m-RNA. Which of the following anticodon of t-RNA recognizes the third codon of this m-RNA?

  • Polynucleotide chain consisting of only CUA repeats will give polypeptide chain with only one amino acid ………

  • Select the INCORRECT statement.

  • ……… is/are based on complementarity principle.

  • Cysteine has codons, while isoleucin has ……………….. codons.

  • Out of 64 codons, only 61 code for the 20 different amino acids. This is known as ……………….. of genetic code.