what is an operon? a) single gene under the control of a single promoter in prokaryotes b) single gene under the control of a single promoter in eukaryotes c) multiple genes under the control of a single promoter in eukaryotes d) multiple genes under the control of a single promoter in prokaryotes e) opertaional unit in a cell to make to make many types of lipids

Answer :

In prokaryotes, several genes are under the control of a single promoter.

D is the ideal choice.

Are operons just one gene?

Genes 1, 2, and 3 are located in a row in the DNA of the operon, which contains three of these genes. They are all transcriptionally regulated by the same promoter (the location where RNA polymerase binds), and they are combined to form a single mRNA that contains the sequences encoding for all three genes.

Do all operons have the same promoter?

As a functional genomic DNA unit containing a collection of genes that are co-transcribed under the control of a single promoter, the term operon was first put forth by Jacob and Monod (1).

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