The human hexokinase enzyme has the same function as the bacterial hexokinase enzyme but differs in its amino acid sequence. You have obtained a mutant bacterial strain in which the gene for hexokinase and its promoter are missing. If you introduce into your mutant strain a DNA strand engineered to contain the coding sequence of the human hexokinase gene, driven by a bacterial promoter, the resulting bacteria will now produce:

a. the bacterial form of hexokinase.
b. the human form of hexokinase.
c. a hybrid enzyme that is partly human, partly bacterial.
d. both forms of the enzyme.
e. will switch between making the bacterial and the human enzyme.

When an engineered DNA strands that contains the coding sequence for human hexokinase gene driven by a bacterial promoter is introduced into the mutant bacteria.

The bacterial transcription factors will recognize the bacterial promoter and initiate transcription.

The transcribed strand will produce mRNA that will be translated into human sequence of amino acids hence produce the human form of the Hexokinase

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