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Chapter 12 - Terminology

Across
When an infection is transmitted solely by proteins and no nucleic acid, it is said to be caused by ___. This type of pathogen is resistant to most antibiotics and therefore, is difficult to treat.
In a parasitic relationship, the _____ organism is the only one who benefits, and can even cause harm to the other organism in the relationship.
This pathogen is unicellular, contains DNA & RNA, but has no nucleus.
Free-living organisms that obtain their necessary sustenance from dead or decaying organisms.
This pathogen usually infects body surfaces and openings. Yeast infections are caused by them.
The act of establishing a presence within a host is know as___. It is a step required in the multifaceted process of infection.
Lice, mites, and fleas fall into the parasitic category known as _____
The invasion of the human body by microorganisms can produce harmful and potentially lethal consequences, which are collectively called ___ diseases
When the host and the microorganism benefit from one another, this is called___
Down
The smallest intracellular pathogen. HIV/AIDs, the common cold, and the flu are examples of this type.
____ are unicellular eukaryotic parasites. Malaria is caused by them
The disease-producing potential of a microorganism is referred to as its___
A group of microorganisms that are so virulent that they are rarely found in the absence of disease.
When the host is neither positively or negatively affected by the microorganism, this is called___
___ are the multitude of harmless bacteria that normally inhabit the human body.
Wormlike parasites like tapeworms or roundworms, are parasites called____