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A person's mouth is sampled with a sterile, moistened swab and a plate of tryptic soy...

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Biology

A person's mouth is sampled with a sterile, moistened swab and aplate of tryptic soy agar is inocluated with the swab. After theappropriate time of incubation is allowed, no growth appears on theplate. Which of the following is the most reasonable explanationfor this result?

a. the person's mouth was sterile

b. plate should have been incubated under anaerobicconditions

c. the tryptic soy agar lacked some nutrients required the mouthmicrobes

d. tryptic soy agar contained a compound that inhibited thegrowth of the mouth microbes

Answer & Explanation Solved by verified expert
4.3 Ratings (813 Votes)
Tryptic Soy Agar or TSA is a generalpurpose media It is suitable for the growth of several bacteria species It is not selective or differential media Hence with appropriate conditions provided the    See Answer
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