Question

Part A The crp gene, which encodes the CAP protein. Presence of a functional crp would compromise the positive control exhibited by CAP.Absence of a functional crp would compromise the positive control exhibited by CAP. SubmitRequest Answer Part B The CAP-binding site within the promoter. With a CAP binding site there would be a reduction in the inducibility of the lac operon.Without a CAP binding site there would be a reduction in the inducibility of the lac operon. SubmitRequest Answer

          Part A
The crp gene, which encodes the CAP protein.
Presence of a functional crp would compromise the positive control exhibited by CAP.Absence of a functional crp would compromise the positive control exhibited by CAP.
SubmitRequest Answer
Part B
The CAP-binding site within the promoter.
With a CAP binding site there would be a reduction in the inducibility of the lac operon.Without a CAP binding site there would be a reduction in the inducibility of the lac operon.
SubmitRequest Answer

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Added by Jesse S.

Biology for AP Courses

Julianne Zedalis, John Eggebrecht

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Solved by Expert Farhan Anwar

02/01/2023

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Part A The crp gene, which encodes the CAP protein. Presence of a functional crp would compromise the positive control exhibited by CAP.Absence of a functional crp would compromise the positive control exhibited by CAP. SubmitRequest Answer Part B The CAP-binding site within the promoter. With a CAP binding site there would be a reduction in the inducibility of the lac operon.Without a CAP binding site there would be a reduction in the inducibility of the lac operon. SubmitRequest Answer

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Transcript

00:02 Okay, so for the lac operon, let's see.

00:11 Let's go ahead and write this gene map really quickly.

00:15 So we have the capsite.

00:20 Let's just make it like this.

00:24 Yeah, let's do that.

00:25 So we have the capsite.

00:26 We have the promoter region.

00:28 We have the operator region.

00:31 We have lack z, lack y.

00:36 And lack a.

00:37 All right.

00:39 And then somewhere upstream, we have the lack i gene, which is the repressor.

00:48 Okay.

00:58 We have multiple conditions.

01:14 Let's see if i can.

01:18 No, that's fine.

01:18 I'll just do it this way.

01:19 So we have multiple conditions, right? we have what happens when glucose.

01:30 Is absent, lactose is absent.

01:34 We have a condition where lactose is present, lactose is present, and glucose is absent.

01:43 I'm sorry, we actually put it in the order that i actually have written in, so glucose is absent, lactose is present, and then we have the last condition is when both lactose and glucose are present.

02:01 Let's do that one in red.

02:04 Both lactose and glucose are present...

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