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Microbiology Exam
Microbiology
Question | Answer |
---|---|
Microbiology is the study of | very small organisms that can not be seen by the naked human eye |
Organisms can only be seen by the use of | a microscope |
microbiology ='s | disease |
The term used to describe the over use of antibiotics and their drug resistant effects on microorganisms | superbugs |
microorganisms are | everywhere |
microorganisms are | single celled |
microorganisms are mostly | harmless to people |
the people most susceptible to microorganisms are | very young, very old, sick, malnourished, obese, burn victims |
Non Pathogenic | harmless microorganisms |
Pathogenic | harmful microorganisms |
when microorganisms are present that means | there is contamination |
microorganisms are necessary for the existence of all | plants and animals |
microbes cause | disease |
microbes are involved in | the decaying process of plants and animals |
microbes convert waste and feces into | soluble, odorless compounds |
bacteria is used in | water treatment facilities |
microorganisms are living organisms and require | food, can reproduce, can be killed |
the microbial world consists of | algae, fungi, protozoa, bacteria, viruses |
bacteria are measured in | microns |
1 micron is = to | 1/1000 of a millimeter |
most bacteria measure | 1-2 microns |
cells protect themselves by developing a thick coat around the | nucleus |
a thick protective coat around the nucleus is called | a spore |
spores can | rejuvenate |
what has to change in order for a spore to rejuvenate | the conditions in the hostile environment must improve |
protoplasm is | all the living material inside of the cell |
cell wall | protects the cell from bursting |
cell wall | protects against cell dehydration |
cell wall | gives shape to the bacteria |
cell wall | maintains the cell's shape |
cell wall | is a tough and ridged structure |
cell wall is the second layer beneath the | capsule |
cytoplasmic membrane | constructed of protein globules suspended in lipids |
cytoplasmic membrane | layer beneath the cell wall |
cytoplasmic membrane | semi permeable |
cytoplasmic membrane | small pores allow liquids to pass or move in and out of the cell |