The symbols A, B, C, D, E represent all the components of the lac operon, excluding LacA. The symbols are not in the order of the lac operon. Minus and plus signs represent activity of lacZ or LacY in the absence or presence of IPTG. LacI+ or LacI-, and LacO+ or LacOC alleles were used. Which of the symbols represents each of the lac operon components?

An Illustrated Guide To Vet Med Term
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ISBN:9781305465763
Author:ROMICH
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Chapter17: Drugs And Dissection
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The symbols A, B, C, D, E represent all the components of the lac operon, excluding LacA. The symbols are not in the order of the lac operon. Minus and plus signs represent activity of lacZ or LacY in the absence or presence of IPTG. LacI+ or LacI-, and LacO+ or LacOC alleles were used. Which of the symbols represents each of the lac operon components?

 

A*B*C*D*E*
A*B*C*D*E*
A*B*C*D*E*
A*B*C*D*E*
A*B*C*D*E*/F' ABCDE
AB*C*D*E*/F' A'B'C'DE
No IPTG
+
+
LacZ
I
IPTG
+
+
+
No IPTG
+
+
I
I
LacY
I
IPTG
+
+
+
+
Transcribed Image Text:A*B*C*D*E* A*B*C*D*E* A*B*C*D*E* A*B*C*D*E* A*B*C*D*E*/F' ABCDE AB*C*D*E*/F' A'B'C'DE No IPTG + + LacZ I IPTG + + + No IPTG + + I I LacY I IPTG + + + +
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