UConn MCB 2610 Final Lab Practical Exam Study Questions and Answers 2024
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Course
UConn MCB 2610
Institution
UConn MCB 2610
True/False: Gram stains and spore stains are examples of simple stains. - FALSE
What causes bacterial endospore formation? - Response to environmental conditions, i.e., lack of nutrients
What are the 4 phases of microbial growth? - Lag, exponential/log, stationary, death
True/False: we wil...
UConn MCB 2610 Final Lab Practical
Exam Study Questions and Answers
2024
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MCB
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, UConn MCB 2610 Final Lab Practical Exam
True/False: Gram stains and spore stains are examples of simple stains. - FALSE
What causes bacterial endospore formation? - Response to environmental conditions,
i.e., lack of nutrients
What are the 4 phases of microbial growth? - Lag, exponential/log, stationary, death
True/False: we will measure the optical density over time to determine growth rate. -
TRUE
Define generation time. - Time for population to double
What does it mean for a culture to be in stationary phase? - Rate of replication matches
rate of death
True/False: you can use oil with the 40x objective lens. - FALSE
True/False: generation time is calculated in the log phase. - TRUE
What does it mean for a culture to be in log phase? - Rapid growth and replication; each
cell doubles
True/False: Gram positive bacteria have a thick peptidoglycan layer which retains
safranin and appears pink. - FALSE
True/False: the purpose of heating during the spore stain is to create an endospore. -
FALSE
What group of organisms does MacConkey agar select against? - Gram positive
True/False: complex media is made with a precise chemical composition. - FALSE
What organism does SF broth select for? - Enterococcus faecalis
What type of bacteria can be differentiated using an EnteroPluri tube? - Enteric family of
bacteria encompassing gram negative, non-sporeforming, facultative anaerobic rods
What is the name of the enzyme that hydrolyzes milk protein? - Caseinase
UConn MCB 2610 Final Lab Practical Exam
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