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Chemistry, 20.11.2020 17:50, queenkimm26
Question 1 (1 point)
A chemical reaction is when substances are changed into other substances.
True or False
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Answers: 3
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Chemistry, 22.06.2019 22:30, skinniestoflegends
Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.
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Question 1 (1 point)
A chemical reaction is when substances are changed into other substances.
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