Micr221 - Study guides, Class notes & Summaries

MICR221 Exam Questions With Correct Answers. Describe the process of binary fission - answer1. Genetic material replicates itself while the cell elongates 2. Genetic material migrates to either end of the cell and the septum begins to form 3. Septum then completely forms and the cell begins to separate 4. Two identical daughter cells are formed How does population growth occur? - answerOccurs through binary fission, cell number increases exponentially Define the mean generation time - a...

MICR221 Exam Questions With Correct Answers What type of aerobe needs 2-10% oxygen - answermicroaerobe what can bacteria use as sustained energy generation as well as ATP source - answerfermentation pathway relationship between persistence and resistence - answerafter anti biotic kill exponential numbers of bacteria, any bacteria that survived is persistent and can mutate to become geentically resistant what effect does hypoxia have on bacteria - answerdepletion of oxygen leads it to the...

MICR221 Exam Questions With Correct Answers How do you tell if bacteria is dead or alive - answerCulturing it on an argar to see if it grows K-type strategist - answerSlow growing Food preserving Longer lasting r-type strategist - answerMuch faster growing bacteria, Wastes food faster than it can reproduce Latent infection - answerDormant infection of virus/bacteria until immune system in compromised -> lead to full blown infection What is persistence in bacteria and what are its ke...