) After decades of work a scientist isolated a small amount of attractase, an enzyme producing a powerful human pheromone. To produce attractase for his personal use in large quantities, he obtained a complete genomic clone of the attractase gene, connected it to a strong bacterial promoter on an expression plasmid into E. coli cells. He was devastated to find out that no attractase was produced in the cells. What is a likely explanation for the failure

A complete eukaryotic gene was used into the bacteria genome

Explanation:

The atractase gene is an eukaryotic gene, which means that is composed of a  promoter, introns and exons. When the gene was connected to a strong bacterial promoter only the exons should be used in order to promote the correct translation of the enzyme.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

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explanation:

b r

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