The Table Below Lists Several Genotypes Associated with the Lac

question 30

Essay

The table below lists several genotypes associated with the lac operon in E.coli.For each,indicate with a "+" or a
"-" whether functional fi- galactosidase would be expected to be produced at induced levels. I⁺ = wild- type repressor
I^- = mutant repressor unable to bind to the operator)
I^s = mutant repressor insensitive to lactose)
O⁺ = wild- type operator
O^c = constitutive operator insensitive to repressor)

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Definitions:

Recession

A phase of short-term economic downturn marked by diminished trade and manufacturing activities, usually recognized by a decrease in GDP for two consecutive quarters.

Automatic Stabilizers

Economic measures and initiatives, like taxation and unemployment insurance, that naturally adapt to mitigate the effects of economic changes without direct action from the government.

Discretionary Fiscal Policy

Changes in government spending and taxes to promote full employment, price stability, and economic growth.

Fiscal Policy

Governmental use of spending and taxation to influence the economy.