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BacterialGrowthGene

lecture 22 alto

QuestionAnswer
deletion mutant organism with the type of mutation characterized by the loss of a portion of its genome
best environment in which microaerophiles grow grow best in low O2 tension but can tolerate normal atmospheric levels, possess SOD but NOT catalase
autotrophs derive energy from oxidizing inorganic substrates
heterotrophs use organic carbon components as energy (include all medically important bacteria)
characteristics of log phase cells are large, rapidly growing and thus susceptible to agents that target cell division steps, rich in ribosomes and metabolically active
characteristics of stationary phase cells are usually smaller, less active metabolically and more reistant to toxic agents
start codon ATG
fever kills mesophiles (optimal temp is 37 deg C)
direct measurement method of bacterial growth hemocytometer (slide with grid for counting bacteria)
indirect measurement method of bacterial growth turbidity of broth, bacterial dry weight
semi-diploid or merodiploid occurs when a copy of just one single gene is inserted into a bacterium via plasmid or other methods
Created by: sirprakes
 

 



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