How Does the Cro Protein from λ Phage Help to Establish

question 5

Multiple Choice

How does the cro protein from λ phage help to establish a lytic infection?

• A) It inhibits the integrase enzyme.
• B) It activates the excision enzyme.
• C) It binds to O_L1 and blocks transcription from P_L
• D) It binds to O_R1 and blocks transcription from P_R
• E) It binds to O_R3 and blocks transcription from P_RM.

---

Definitions:

Shortage/Surplus

A condition in a market where the quantity demanded is greater or less than the quantity supplied at the current price.

Elasticity of Demand

A measure of how much the quantity demanded of a good responds to a change in the price of that good, with all other things being equal.

Price Ceiling

A government-imposed limit on how high a price can be charged for a product or service, typically set below the market equilibrium price.

Shortage/Surplus

A market condition where the quantity of a good supplied is not equal to the quantity demanded, with a shortage being a deficit and a surplus being an excess.