A bacterial cell was transformed with a recombinant DNA that was generated using a human gene. However, the transformed cells did not produce the desired protein. Reason could be

Options

A. Human gene may have intron which bacteria cannot process
B. Amino acid codons for humans and bacteria are different
C. Human protein in formed but degraded by bacteria
D. All of the above

Answer

A

Explanation

Human gene has intron which is non coding section of an RNA transcript or the DNA encoding. It can be spliced out before the RNA molecule is translated into a protein