Imagine the Following Scenario: You Take the Regulatory Region of the Trp

question 20

Essay

Imagine the following scenario: You take the regulatory region of the trp operon (including the promoter, operator, and 5' UTR)and attach it upstream of the structural genes of the lac operon.You then introduce this artificial construct into a mutant in which the lac operon is completely nonfunctional.Indicate the level of $\beta$ -galactosidase activity in each of the following cases and explain why you expect that level of activity:
a.No tryptophan, no lactose
b.High tryptophan, high lactose

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Definitions:

Market Price

The ongoing cost for buying or selling an asset or service within a market setting.

Acid-Test Ratio

A stringent indicator of a company's liquidity, calculated by dividing liquid assets excluding inventories by current liabilities.

Company

A business organization founded by a group of individuals dedicated to pursuing and administering a commercial or industrial venture.

Acid-Test Ratio

A liquidity ratio that measures a company's ability to pay off its current liabilities with quick assets (cash, marketable securities, and accounts receivable).