Biology, 24.02.2021 21:10 cutecupcake678
Tonya placed a disk of filter paper in each of the
following solutions: disinfectant 1, disinfectant 2,
disinfectant 3, and distilled water. While the four disks
were soaking in their respective solutions, she streaked a
sterile mutrient agar dish with a culture of E. coli
bacteria. Then, she placed each disk carefully onto the
mutrient agar dish, placed the lid on the dish, taped it
shut, and incubated the dish at 37°C for several days.
Figure 19-4 shows how the nutrient agar dish looked on
Day I and Dar 4.
Answers: 2
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When analyzing tree rings, what do scientists assume a thin ring indicates?
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Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2
Answers: 2
Biology, 22.06.2019 18:20
Hey everybody, i have another biology question. by what reproductive mechanism does a haplontic animal grow? initially mitosis, then meiosis completely by mitosis completely by meiosis initially by meiosis, then by mitosis
Answers: 2
Tonya placed a disk of filter paper in each of the
following solutions: disinfectant 1, disinfectan...
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