Answer:
Polycistronic mRNA:
Polycistronic mRNA may be defined as the mRNA that has the ability to code multiple proteins from a single mRNA molecule. This type of mRNA is generally found in prokaryotes.
Operon:
Operon may be defined as the DNA functional unit that contains the cluster of genes. These gene are regulated by the single promoter. These operon system are generally found in prokaryotes.
Regulon:
Regulon may be defined as the group of genes that acts as a single regulatory unit. The protein expressed by regulon can acts as a activator or repressor. These are generally found in eukaryotes.
E. coli is a micro-organism while is mobile, and possess flagella for the same It has the ability to ferment both glucose and lactose. But it can not utilize citrate. It is a common food-borne pathogen, and can be present due to poor hygienic conditions, or water contaminations.
The pons. Hope this helped!
<span>Professor Kwang Jeon observed that some amoebas in his invaded amoeba colonies survived thanks to changes made by the invading bacterias. This comfirmed the endosymbiotic theory that organells are formerly invading free living prokaryotes forms that were integrated and swallowed by others to form a new living unit.</span>
Heterotroph: an organism deriving its nutritional requirements from complex organic substances.
