Potato Dextrose agar (PDA), used for the enumeration of molds and yeasts, is selective because it: A. None of the answers are correct B. Contains lithium chloride C. All of the answers are correct D. Contains potato infusion and dextrose E. Has a pH that was lowered to pH 3.00 by the addition of concentrated HCI

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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Potato Dextrose agar (PDA), used for the enumeration of molds and yeasts, is selective because it:
O A. None of the answers are correct
O B. Contains lithium chloride
O C. All of the answers are correct
O D. Contains potato infusion and dextrose
E. Has a pH that was lowered to pH 3.00 by the addition of concentrated HCI
Transcribed Image Text:Potato Dextrose agar (PDA), used for the enumeration of molds and yeasts, is selective because it: O A. None of the answers are correct O B. Contains lithium chloride O C. All of the answers are correct O D. Contains potato infusion and dextrose E. Has a pH that was lowered to pH 3.00 by the addition of concentrated HCI
Food intoxication can be defined as:
A. An acute food-borne gastrointestinal infection caused by eating poisonous snakes such as cobras or puff adders for example.
B. An acute food-borne gastrointestinal infection that originates from ingesting food contaminated with poisonous chemicals such as rat poison for
example
C. An acute food-borne gastrointestinal infection caused by eating food containing harmful bacteria which results in symptoms such as diarrhea,
abdominal discomfort or cramps, and fever.
D. None of the answers are correct
E. An acute food-borne gastrointestinal infection caused by eating food containing toxins from bacteria or molds, for example, staphylococcal food
poisoning.
Transcribed Image Text:Food intoxication can be defined as: A. An acute food-borne gastrointestinal infection caused by eating poisonous snakes such as cobras or puff adders for example. B. An acute food-borne gastrointestinal infection that originates from ingesting food contaminated with poisonous chemicals such as rat poison for example C. An acute food-borne gastrointestinal infection caused by eating food containing harmful bacteria which results in symptoms such as diarrhea, abdominal discomfort or cramps, and fever. D. None of the answers are correct E. An acute food-borne gastrointestinal infection caused by eating food containing toxins from bacteria or molds, for example, staphylococcal food poisoning.
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