If Lactose Is Accumulating Outside of E

question 9

Multiple Choice

If lactose is accumulating outside of E.coli and is unable to enter,then which structural gene of the lac operon is most likely mutated?

• A)lacY
• B)lacX
• C)lacZ
• D)lacI
• E)lacA

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Definitions:

Compounded Quarterly

The process of calculating interest on both the initial principal and the accumulated interest over previous quarters, increasing the total amount at a quarterly rate.

Ordinary Perpetuity

A series of equal cash flows that occur at the end of each period forever.

Ordinary Annuity

A series of equal payments made at the end of consecutive periods over a fixed length of time.

Compounded Quarterly

When an investment's interest is compounded quarterly, the interest is calculated and added to the principal four times a year.