BIOD 171 Essential Microbiology Portage Learning Module 4 Exam Question and Answers

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True or False: Growth media is best suited for distinguishing between two similar species of bacteria. True Correct! False Growth media is designed to simply support (and not restrict) microbial ... growth. Question 2 2 / 2 pts A researcher is asked to determine which of two vials contains E coli and which contains salmonella. Knowing both are Gram-negative while only one of them is capable of fermenting lactose, which type of media would be best suited? Selective and Differential media Selective media Growth media BIOD 171 Essential Microbiology Portage Learning Module 4 Exam Question and Answers Correct! Differential media Differential media distinguishes between two, often related, microbes. Question 3 10 / 10 pts What are the requirements of a fastidious microbe? Your Answer: A fastidious microbe is organism with complex growth requirements. If these growth requirements are not met, the organism will not grow. An enriched media must be to provide the correct nutrients to the organism to allow for growth. A fastidious microbe is an organism with complex growth requirements such that if absent it will not grow. Enriched medias thus contain these specific and essential nutrients required for the growth of a particular subset of microorganisms. Question 4 0 / 2 pts True or False: LB agar is classi [Show More]

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