MICROBIOLOGY EXAM 1 (Graded A+)
Microorganism - CORRECT ANSWER-are organisms that are
too small to see with the unaided eye
examples of microorganisms - CORRECT ANSWER-bacteria
fungi
protozoa
microscopic algae
viruses
what kind of microscope do you use when you are working
with microorganisms you can't see? - CORRECT ANSWER-
bright field microscope
what are the different magnifications of a bright field
microscope - CORRECT ANSWER-4x
10x
40x
100x
,what is the kind of microscope that you use when looking at a
virus - CORRECT ANSWER-electron microscope
what are the different magnifications of the electron
microscope - CORRECT ANSWER-1 mil
2 mil
10 mil
How are microbes helpful - CORRECT ANSWER-decompose
organic waste
generate O2
produce chemical products such as ethanol and others
produce fermented foods ex: vinegar, cheese, and bread
produce products used in manufacturing ex: cellulose and
insulin
How many microbes are pathogenic out of all the
microorganisms - CORRECT ANSWER-70/10 mil
what knowledge do microbes give humans - CORRECT
ANSWER-prevent diseases
allow food storage and prevent food spoilages
, stop transmission of diseases
Microbiology - CORRECT ANSWER-the study of organisms too
small to be seen with the naked eye
microbial ecology - CORRECT ANSWER-the study of the
relationship between microorganisms and their environment
competitive exclusion - CORRECT ANSWER-a way to kill the
bad bacteria
- change in the pH
- secrete enzymes
- eat the food
bioremediation - CORRECT ANSWER-using microbes to clean
up pollutants
Bacillus thuringienisis - CORRECT ANSWER-can kill insects but
doesn't harm plants or animals
Order of the Scientific Method - CORRECT ANSWER-observe
hypothesis
Microorganism - CORRECT ANSWER-are organisms that are
too small to see with the unaided eye
examples of microorganisms - CORRECT ANSWER-bacteria
fungi
protozoa
microscopic algae
viruses
what kind of microscope do you use when you are working
with microorganisms you can't see? - CORRECT ANSWER-
bright field microscope
what are the different magnifications of a bright field
microscope - CORRECT ANSWER-4x
10x
40x
100x
,what is the kind of microscope that you use when looking at a
virus - CORRECT ANSWER-electron microscope
what are the different magnifications of the electron
microscope - CORRECT ANSWER-1 mil
2 mil
10 mil
How are microbes helpful - CORRECT ANSWER-decompose
organic waste
generate O2
produce chemical products such as ethanol and others
produce fermented foods ex: vinegar, cheese, and bread
produce products used in manufacturing ex: cellulose and
insulin
How many microbes are pathogenic out of all the
microorganisms - CORRECT ANSWER-70/10 mil
what knowledge do microbes give humans - CORRECT
ANSWER-prevent diseases
allow food storage and prevent food spoilages
, stop transmission of diseases
Microbiology - CORRECT ANSWER-the study of organisms too
small to be seen with the naked eye
microbial ecology - CORRECT ANSWER-the study of the
relationship between microorganisms and their environment
competitive exclusion - CORRECT ANSWER-a way to kill the
bad bacteria
- change in the pH
- secrete enzymes
- eat the food
bioremediation - CORRECT ANSWER-using microbes to clean
up pollutants
Bacillus thuringienisis - CORRECT ANSWER-can kill insects but
doesn't harm plants or animals
Order of the Scientific Method - CORRECT ANSWER-observe
hypothesis
