Which of the Following Is True About the Early Phase

question 21

Multiple Choice

Which of the following is true about the early phase of T7 infection of bacteria?

• A)Class II genes are the first to be transcribed.
• B)The host polymerase transcribes class II genes.
• C)The phage-encoded polymerase transcribes the class I phage genes.
• D)Class I genes are the first to be transcribed.
• E)All of the choices are correct.

---

Definitions:

Baroreceptors

Specialized nerve endings located in the walls of blood vessels that sense changes in blood pressure and help regulate it.

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for action by increasing heart rate, dilating airways, and other responses typically associated with the "fight or flight" response.

Blood Pressure

The force exerted by circulating blood on the walls of blood vessels and constitutes one of the principal vital signs.

Oxygen Demand

A measure of the amount of oxygen required to oxidize organic and inorganic materials in water, used as an indicator of water quality.