Eosin-methylene blue agar, or emb, is a commonly used bacteriological medium for growing gram-negative bacteria from complex environments. it contains two dyes, eosin and methylene blue, as well as sugar lactose. eosin is a ph indicator that changes color when the medium is acidic, while methylene blue inhibits the growth of most gram-positive bacteria. if an organism consumes lactose, acid will be produced, causing the bacterial colonies to change color. based on this description, this medium
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Biology, 21.06.2019 16:30
As , plants meet their needs for making food from air, soil, water, and the sun's energy in a process called there are plants called grow high in trees without here are words to put in the blanks. 1.) producers 2.) consumers 3.) chloroplasts 4.) epiphytes
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Biology, 21.06.2019 22:00
Where would you expect to see seedless plants, such as ferns and mosses? a. in a botanical museum, because they are all extinct b. low and close to the ground in a moist environment c. climbing high while circling the branches of another plant d. deeply rooted in a forest with a trunk that reaches 20 meters or more
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Biology, 22.06.2019 07:00
Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.
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Eosin-methylene blue agar, or emb, is a commonly used bacteriological medium for growing gram-negati...
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