An operon:
Answer
a.
that is “inducible” is usually turned “ON,” but can be turned “OFF” in the presence of an inducer.
b.
has a promoter which acts as an operon’s “on-off” switch.
c.
is typically found in both eukaryotic and prokaryotic cells.
d.
consists of a promoter, an operator, structural genes, and a gene encoding a repressor.
e.
is transcribed to form a single mRNA which can then be translated to form multiple proteins.

Question

An operon:
Answer
	 a.	
 that is “inducible” is usually turned “ON,” but can be turned “OFF” in the presence of an inducer.
	 b.	
 has a promoter which acts as an operon’s “on-off” switch.
	 c.	
 is typically found in both eukaryotic and prokaryotic cells.
	 d.	
 consists of a promoter, an operator, structural genes, and a gene encoding a repressor.
	 e.	
 is transcribed to form a single mRNA which can then be translated to form multiple proteins.

alphadxg · Answer

@aaronq E?or B?

aaronq · Answer

E is a polycistronic (sp?) gene, not an operon

I'm more torn between B and D

aaronq · Answer

but i think "an operator" is non-sense, so B should be right