Microbiology Ch 4

Use of light or electrons to magnify objects

(a)  

used to draw conclusions about relatedness

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used to ID bacteria without culturing, moving fluid with bacteria forced through opening & detects presence of bacteria by detecting difference in conductivity of cells & medium, can also be illuminated by a laser or with fluorescence

(a)  

commercial system to separate & compare fatty acids, used in clinical & public health labs

(a)  

manufactured for groups of medically important bacteria like the enterics, perform several biochemical tests simultaneously for identification in 4-24 hours, use numerical identification because each test assigned a number, can used computerized interpretation

(a)  

Linnaeus did not know viruses existed so they are not included in original hierarchy, virologist classify viruses into families & genera, but higher taxa are poorly defined

(a)  

Contains info on lab identification of prokaryotes

(a)  

series of paired yes/no statements to efficiently identify organism

(a)  

Comparison of nucleotide sequences

(a)  

phages are specific for a particular host, use phage to determine if its host is present

(a)