What Is a Defective Phage

question 82

Multiple Choice

What is a defective phage?

• A) A virus that has lost some of its genetic material, and therefore cannot infect a new target cell.
• B) A virus that has lost some of its genetic material, and therefore cannot replicate within a new target cell.
• C) A virus that lacks the ability to replicate independently of its host cell and cannot survive.
• D) A virus that cannot attach to its host cell and therefore cannot enter the target cell.
• E) A virus that lacks a prophage, cannot enter a host cell, and cannot survive.

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Definitions:

Ultimate Parent

The highest level or top company in a corporate structure, which holds control over all subsidiary companies within the group.

Corporate Groups

A collection of parent and subsidiary companies that function as a single economic entity through a common source of control.

Indirect Ownership Interests

Ownership in a company that is not held directly by the owner but through a chain of intermediary entities.