Biology, 08.10.2019 20:10 rafamoreura
Agroup of single-cell organisms collected from the ocean was brought into the lab for examination. the lab assistant was concerned that the water had become full of toxic waste products and so added clean water to the culture. all of the organisms died, and when she looked at them under the microscope, all she could see were bits and pieces of them scattered throughout the water. what likely happened?
(a) she added water that was hypertonic to the culture of organisms, and they ruptured.
(b) she added water that was hydrophobic to the culture of organisms, and they ruptured.
(c) she added water that was hypotonic to the culture of organisms, and they ruptured.
(d) she added water that was hydrophilic to the culture of organisms, and they ruptured.
Answers: 2
Biology, 22.06.2019 10:50
The small molecule cyclic amp (camp) takes about 0.2 second to diffuse 10 μm, on average, in a cell. suppose that camp is produced near the plasma membrane on one end of the cell; how long will it take for this camp to diffuse through the cytosol and reach the opposite end of a very large cell, on average? assume that the cell is 200 μm in diameter.
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Biology, 22.06.2019 11:00
Which of the following forest management practices is best for reestablishing areas of forest?
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Agroup of single-cell organisms collected from the ocean was brought into the lab for examination. t...
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