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NEET2005ZoologyBiotechnology - Principles and ProcessesActual

Production of a human protein in bacteria by genetic engineering is possible because:

Options

  1. Athe human chromosome can replicate in bacterial cell
  2. Bthe mechanism of gene regulation is identical in humans and bacteria
  3. Cbacterial cell can carry out the RNA splicing reactions
  4. Dthe genetic code is universal.

Correct answer

D. the genetic code is universal.

Step-by-step solution

Genetic code may be defined as the sequence of nucleotides in polynucleotide chain which determines the sequence of amino acids in a polypeptide chain. Thus the genetic code is universal. These is no ambiguity regarding genetic code. It means that each codon codes for the same amino acid in all organisms including bacteria, plants and animals. Bacterial cells lack the machinery needed for processing of primary transcript, and hence cannot replicate human chromosome. Prokaryotic genes are polycistronic and eukaryoti

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