If There Are Mutations That Inactivate LacP and LacI, Which

question 3

Multiple Choice

If there are mutations that inactivate lacP and lacI, which of the following statements is true? (I = lac repressor gene; Z, Y, A = lac operon structural genes; P = lac promoter; O = lac operator)

• A) These are mutations that are, respectively, cis- and trans-acting on lac operon expression.
• B) These are mutations that are, respectively, trans- and cis-acting on lac operon expression.
• C) These will affect the expression of I only.
• D) These will affect the expression of only Z, Y, and A.
• E) These mutations will have no effect.

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Price Of Product

The monetary value assigned to a good or service that consumers are required to pay to acquire it.

Quantity Demanded

The total amount of a good or service that consumers are willing to purchase at a given price level in a specific time period.

Midpoint Formula

A method used in geometry to determine the exact center point between two defined points on a line segment.

Price Elasticity Of Demand

An analysis of how variations in the price of a product affect its demand.