When a Virus Infects a Bacterial Cell, Often New Viruses

question 67

Multiple Choice

When a virus infects a bacterial cell, often new viruses are assembled and released when the host bacterial cell is lysed. If these new viruses go on to infect new bacterial cells, the new host cells may not be lysed. What is the most plausible explanation for this?

• A) The bacterial cell must be resistant to infection by the virus.
• B) The virus carries genes that confer resistance to the host bacterial cell.
• C) The host bacterium couples the viral infection with transformation.
• D) The virus has entered the genome of the bacterial cell and is in the lysogenic stage.

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Definitions:

Nitrogen Wastes

Waste products, such as urea or ammonia, that are produced by the body after proteins are broken down.

Mammary Glands

Specialized organs in female mammals that produce milk for the nourishment of newborn offspring.

Ceruminous Glands

Specialized glands located in the ear canal that produce earwax, which helps protect the ear from foreign particles and microorganisms.

Sebaceous Glands

Glands located beneath the skin surface, secreting sebum that lubricates hair and skin to prevent drying out.