38. What is the main difference between a bacterial operon and a eukaryotic oper

Question

38. What is the main difference between a bacterial operon and a eukaryotic operon? A) the eukaryotic operon is monocistronic and the prokaryotic is polycistronic B) the eukaryotic operon has no structural genes and the prokaryote if C) the RNA polymerase recognizes the prokaryotic operons, but is not able to recognize them in eukaryotes D) In ??prokaryotes the regulatory gene is close to the structural genes, but in eukaryotes the regulatory gene is outside the operon E) none of the above 38. What is the main difference between a bacterial operon and a eukaryotic operon? A) the eukaryotic operon is monocistronic and the prokaryotic is polycistronic B) the eukaryotic operon has no structural genes and the prokaryote if C) the RNA polymerase recognizes the prokaryotic operons, but is not able to recognize them in eukaryotes D) In ??prokaryotes the regulatory gene is close to the structural genes, but in eukaryotes the regulatory gene is outside the operon E) none of the above 38. What is the main difference between a bacterial operon and a eukaryotic operon? A) the eukaryotic operon is monocistronic and the prokaryotic is polycistronic B) the eukaryotic operon has no structural genes and the prokaryote if C) the RNA polymerase recognizes the prokaryotic operons, but is not able to recognize them in eukaryotes D) In ??prokaryotes the regulatory gene is close to the structural genes, but in eukaryotes the regulatory gene is outside the operon E) none of the above

Explanation / Answer

Answer: Option D is correct.
Explanation:
Few eukaryotes also contain operons. Ex: rRNA operons in chordates.
The basic difference between eukaryotic and prokaryotic operons is that the regulatory gene is closer to the operon in prokaryotes. On the other hand, eukaryotes have comparatively larger genomes. The regulatory genes are located far away from the operons.

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