Which of the Following Is a Feature Shared by Viruses

question 62

Multiple Choice

Which of the following is a feature shared by viruses and living organisms?

• A) the ability to increase in size
• B) metabolic capability
• C) possession of a genome that directs synthesis of materials necessary for replication
• D) presence of cytoplasm
• E) responsiveness

---

Definitions:

Cytokines

Small proteins released by cells that have a specific effect on the interactions and communications between cells, especially in immune responses.

Cell-Mediated Immunity

A type of immunity that does not involve antibodies but involves the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in response to an antigen.

Antibody-Mediated Immunity

A form of immunity that involves the production of antibodies by B cells to neutralize pathogens.

Cytotoxic T Cell

A type of immune cell that kills cancer cells, cells that are infected with viruses (or other pathogens), or cells that are damaged in other ways.