Chapter 1 Questions
Disease can reemerge as a result of
-parents refusing to vaccinate their children -pathogens becoming resistant to antimicrobial medications
Microbes serve as important models for the study of higher organisms for which of the following reasons?
-same fundamental and genetic properties as other organisms.
Which of the following processes is the decomposition of harmful pollutants by microbes?
Biodegradation
______ is the process by which microbes carry out the decomposition of harmful chemicals.
Biodegradation
Microbial process used in the manufacture of yogurt and cheese
Fermentation
Used in the production of beer, yogurt, and cheese?
Fermentation
Newly emerged diseases
Hep C, Ebola, HIV/Aids
Infectious disease of the early 1900s that killed more people than were killed in WWI and II, Korean, Vietnam, and Iraq wars combined
Influenza
Which of the following diseases has been eradicated?
Smallpox
To indicate slight differences, members of the same species may be given special ______ designations.
strain
Which of the following can be infected by viruses?
animals, plants, bacteria.
Members of which domains can be infected by viruses?
bacteria, archaea, eukarya.
Using microorganisms to degrade toxic chemical spills is an example of ______.
biodegration
Bacteria produce ethanol, gas, and certain oils, which all have the potential to be used as
biofuels.
Designing organisms that can provide human products through genetic engineering or clean up environmental waste through bioremediation is part of the broader field of
biotechnology
The "Old Friends" hypothesis suggests
early exposure to certain microorganisms helps protect individuals from allergies, asthma, and some other diseases.
An outbreak of foot-and-mouth disease in England was controlled by
killing millions of livestock.
By his experiments, Lazzaro Spallanzani concluded that:
microorganisms in air could enter open flasks.
Hyphae
microscopic filaments of molds