Question: A mutation in which element of the lac operon (P, O, Z, Y, A) and/or the lac repressor gene (I) will lead to constitutive expression

A mutation in which element of the lac operon (P, O, Z, Y, A) and/or the lac repressor gene (I) will lead to constitutive expression of the structural genes of the operon? Explain.

Step by Step Solution

★★★★★

3.49 Rating (175 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Mutations in I or O can lead to constitutive expression of the Z Y and A genes ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

930-M-S-B-C (1833).docx

120 KBs Word File

Students Have Also Explored These Related Biochemistry Questions!

Assume that you have discovered a new strain of E. coli that has a mutation in the lac operator region that causes the wild-type repressor protein to bind irreversibly to the operator. You have named...

Which element is more likely to dissociate into its monatomic form at 3000 K, H2 or N2? Why?

9 . The lac operon is a:Positively regulated operonNegatively regulated operon Sometimes positive and sometimes negative 1 1 0 . The gene product of LacY gene in Lac - operon is: Beta galactoside...

S 7 A Problem Solving Session 7 ( Week 8 ) 1 . Using any available course resources define the purpose of the following in terms of prokaryote gene regulation. Negative Control: Positive Control:...

help me please 26 Multiple Choice 1 point Which mutation would lead to no attenuateon, thus allowing for transcription and translation of the tro operon? O The 3-4 hairpin doesn't form O The 1-2...

ion: Consider the following rules " If one is drunk or sick then he/she is not sober. Further, assume the following facts concerning the respective people: "Tony is sober" "Tom is not sober" "Esther...

PLEASE ANSWER ALL PARTS PLEASE ANSWER ALL PARTS PLEASE ANSWER ALL PARTS PLEASE ANSWER ALL PARTS PLEASE ANSWER ALL PARTS 3. Recall that S is defined as the set of all RNA strands, strings made of the...

Python Programming - Fix the code so asks user to input a set or frozenset and output gives the user the powerset def list_powerset(lst): # the power set of the empty set has one element, the empty...

The following code is from Ghost 2 Class: import java.awt.BasicStroke; import java.awt.Color; import java.awt.Graphics2D; import java.io.PrintStream; import imagePackage.RasterImage; public class...

Bebe Corporation is preparing its financial statements as of December 31, 2021. The following information were obtained by the accountant: Cash in bank, BPI P .980,000 Cash in foreign bank,...

Nitrogen gas enters a turbine at 7 MPa, 500 K, 100 m/s and leaves at 1 MPa, 300 K, 150 m/s at a flow rate (m) of 2 kg/s. Heat is being lost to the surroundings at 25oC at a rate of 100 kW. Determine...

Question ( 2 ) BPS , Inc., is proposing to offer 6 0 - day terms to its customers and 6 - hour fixed price delivery. It believes this will increase sales by 1 5 % . The projections supplied ( below )...

Let X have mean 20 and variance 9. Define Y 2X2. Compute the mean and variance of Y.

The genes for both the a- and b-globin chains of hemoglobin contain introns (i.e., they are split genes). How would this fact affect your plans if you wanted to introduce the gene for a-globin into a...

When proteins are separated using native gel electrophoresis, size, shape, and charge control their rate of migration on the gel. Why does DNA separate based on size, and why do we not worry much...

What are the differences between a DNA library and a cDNA library?

Suppose stock returns can be explained by the following three-factor model: R i = R F + 1 F 1 + 2 F 2 3 F 3 Assume there is no firm-specific risk. The information for each stock is presented here: 1...

Make a Trial balance based on journal entries provided below Calculate the ending balance of each account and post it to the trial balance below. Arrange the asset, liability and owner's equity...

You bought a 10-year, 5% coupon bond for $1,000 and sold it 1 year later for $1,100. The bond pays interest annually. If your marginal tax rate is 30%, and 50% of capital gains are taxable, what is...