Concept explainers
Some of the microbial life is free-living, while some microbes actively or under certain conditions need a host to meet all their nutrient requirements and to actively replicate. The microbes that cause disease or harm to the host are termed to be pathogens. The pathogens usually cause infection in the host that trigger immune mechanism against the pathogens.
Explanation of Solution
The
Want to see more full solutions like this?
Chapter 35 Solutions
Prescott's Microbiology
- Why is parasite conservation important?arrow_forwardWhich parasitic organisms do you consider beneficial? For what reasons?arrow_forwardMany biologists consider a lichen an example of controlled parasitism. In this view, which component is the likely parasite, and which is the likely host?arrow_forward
- Why would a parasite develop a life cycle involving an intermediate hosts? What is this giving the parasite? Provide example(s)arrow_forwardParasites that must spend at least some of their life cycle inor on a host are called ____________parasites, whereas parasites that caneither live on a host or freely are called _____________parasites.arrow_forwardWhat are some of the approaches biologists have been trying to reduce transmission of the parasites from 1 person to another?arrow_forward
- What is the difference between a prophylactic and a treatment? Which do you think is more likely to transform the impact of parasitic diseases globally?arrow_forwardDo parasite-host systems tend to be host-specialist or generalist? Explain.arrow_forwardWhat is the origin of parasites? If you have references please include it as well. Thank you!arrow_forward