Biology, 28.05.2021 18:40, musfirahkhurram
Phenolphthalein is a pH indicator that is a reddish color at neutral but becomes bright yellow at acidic pH. Suppose you inoculate a tube of growth media containing phenolphthalein with a pure culture of an unknown microorganism, and after 24 hours the media starts to turn yellow. What can you conclude
Answers: 2
Biology, 22.06.2019 12:30, GaryCarmine
If a cell is placed into a hypertonic environment, what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge
Answers: 1
Biology, 22.06.2019 14:30, princesincer9256
Which type of neuron stimulates muscles to contract?
Answers: 1
Phenolphthalein is a pH indicator that is a reddish color at neutral but becomes bright yellow at ac...
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