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MICRO final
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compounds produced by bacterium Desulfovibrio
cause corrosion of iron and steel pipes buried in soil
bioremediation.
use of microbes to break down synthetic waste products such as polychlorinated biphenyls
Nitrogen fixation refers to the direct conversion of atmospheric nitrogen gas into
ammonia
The synthetic bacteria-derived hormone known as bovine growth hormone is used for increasing
milk production
Which of the following refers to which microorganisms are present in a food?
qualitative aspects
Glycocalyx-producing microorganisms will a produce a spoilage condition in milk known as
ropiness
Commercial sterilization is designed to eliminate
the most resistance bacterial spores
A method of pasteurization that passes milk through a hot cylinder at 71.7 C for 15-17 seconds is called
the flash method
Which of the following is not a characteristic of gamma rays?
causes food to become radioactive at a low level
Which of the following is not a machine used to dry liquids for preservation?
autoclave
Conjugation refers to the process by whic
a donor bacterial cell transfers some of its genetic material to a recipient bacterium
Conjugation, transduction, and transformation are methods by which ________________ can transfer their genes
bacteria
chromosome of bacteria consists of
DNA in a double helix in a closed loop
Fungi that lack partitions (septa) are called
coenocytic
basidiomycetes include plant parasites that can cause
rust and smut diseases
Mycorrhizae are mutualistic associations between fungi and
vascular plants
The five kingdom system of classification was set up by
Whittaker
All the following are considered eukaryotes except:
Archaea
The ability to see viruses became possible with the invention of the:
electron microscope
Which microscope provides the greatest magnification
a TEM
Author
wvuong
ID
73447
Card Set
MICRO final
Description
Book
Updated
2011-03-17T06:37:15Z
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