MCB 2610 Lab Quiz Questions And Answers Rated A+ New Update Assured Satisfaction
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Course
MCB 2610 Lab
Institution
MCB 2610 Lab
Coliforms are a subgroup of enteric bacteria classified by their ability to ferment which sugar? -
lactose
A Durham tube is included in the LT broth tubes to detect ___, a byproduct of lactose fermentation. -
gas production
___ is an enzyme that degrades starch. - Amylase
___ is an opportunist...
Brownian motion is the purposeful movement of microorganisms. (TRUE/FALSE) - False
Chemicals used to decrease the number of microbes on inanimate objects are called ____. -
disinfectants
Chemicals used to decrease the number of microbes on living tissues are called ___. - antiseptics
Complex media is made with a precise chemical composition. (TRUE/FALSE) - False
Define generation time - the amount of time it takes for the population to double
During the lytic infection process, what does the phage particle inject into the host cell? -
DNA/genome
Eosin-methylene blue (EMB) agar is used as a confirmed test for coliforms. (TRUE/FALSE) - True
Fermentative organisms can also perform respiration. (TRUE/FALSE) - False
Generation time is calculated in the log phase. (TRUE/FALSE) - True
Give an example of a fomite - Cell phone
Gram positive bacteria have a thick peptidoglycan layer which retains safranin and appears pink.
(TRUE/FALSE) - False
Gram stains and spore stains are examples of simple stains. (TRUE/FALSE) - False
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