If Bacteria Transformed with a Recombinant PUC18 Plasmid Produce White

question 4

Multiple Choice

If bacteria transformed with a recombinant pUC18 plasmid produce white colonies when grown on plates containing ampicillin and Xgal, which of the following is least likely?

• A) They produce functional fi- galactosidase that cleaves X- gal.
• B) They carry a vector with the bla gene used as the selectable marker.
• C) They carry a vector with a lacZ gene that has been disrupted and rendered nonfunctional.
• D) They carry a vector that contains a DNA fragment inserted into the multiple cloning site.
• E) They produce fi- lactamase that provides resistance to ampicillin.

Solve linear equations and systems of linear equations accurately.

Apply mathematical operations to polynomial expressions.

Understand and manipulate exponents and powers, including negative and fractional exponents.

Evaluate expressions using the proper order of operations.

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Definitions:

Aggregate Supply Curve

A graphical representation showing the relationship between the total quantity of goods and services that firms in an economy are willing to produce at different price levels.

Price Level

An index or average of the combined prices of goods and services in an economy at a specific time, reflecting the cost of living and inflation.

Real Domestic Output

The total value of all goods and services produced within a country's borders, adjusted for inflation.

Equilibrium

An equilibrium state in the market where supply meets demand, stabilizing prices as a consequence.