micro exam 3 terms 3

The region on DNA at the start of a gene that RNA polymerase binds to before beginning transcription.

The agglutination of red blood cells by antibodies or components of virus capsids.

An infectious agent consisting only of protein; prions cause variety of spongiform

The coating of foreign substances by antibody, complement proteins, or fibronectin to make the substances more readily recognized by phangocytic cells.

A transplant between genetically different individuals of the same species.

An organism other than a human that is infected with a pathogen that can also infect humans.

Presence of viable bacteria in the blood.

An infection by several microorganisms, as in some abscesses, pneumonia, and infections of wounds. Numerous combinations of bacteria, viruses, and fungi may be involved

Resulting in pus formation

The transmission of the pathogen from the source to the host through an intermediary-most often an inanimate object.

The type of symbiosis in which one individual gains from the association and the other is neither harmed nor benefited.

A type of symbiosis in which both partners gain from the association and are unable to survive without it.

The general term for proteins released by cell in response to inducing stimuli, which are mediators that influence other cells.

Programmed cell death. A phydiological suicide mechanism that preserves homeostasis.