An E-Mail Message Can Be Simple Text or Can Include

question 5

Multiple Choice

An e-mail message can be simple text or can include an attachment such as a(n) ____.

• A)FTP site
• B)audio clip
• C)graphic
• D)video clip

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Definitions:

MHC Markers

Proteins found on the surface of cells that help the immune system recognize foreign substances.

Active Immune Response

The body's defense mechanism that is activated by exposure to pathogens, involving the production of antibodies and memory cells.

Low pH

A measurement indicating that a solution is acidic, having a pH value less than 7.

Pathogens

Microorganisms that cause disease in their host, including viruses, bacteria, fungi, and parasites.