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Biology, 21.06.2019 21:30
What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.
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Biology, 22.06.2019 00:30
If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?
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Biology, 22.06.2019 08:10
Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material
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The early stage of embryonic development during which rapid mitotic cell divisions occur as the zygo...
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