Which of the Following Does Not Describe a Safety Mechanism

question 26

Multiple Choice

Which of the following does not describe a safety mechanism to ensure that only infected cells are attacked by NK cells?

• A)The default state is one of active inhibition,which must be overcome by activating signals before killing occurs.
• B)Intimate contact with target cells is required.
• C)Activating receptors are induced only after encountering an infected cell.
• D)No single receptor-ligand interaction induces cytotoxicity,but instead many combinations of receptor-ligand interactions influence the decision to kill or not to kill a target cell.

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Definitions:

Operating System

An operating system (OS) is software that manages computer hardware, software resources, and provides common services for computer programs.

System Software

The software designed to provide a platform for other software. Examples include operating systems and utility software.

Solid-State Drive

A solid-state drive (SSD) is a type of non-volatile storage media that stores and retrieves data using flash memory, offering faster access times than mechanical hard drives.

Storage Device

Hardware used to store digital information, such as hard drives, SSDs, or USB flash drives.