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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 09:00
When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis
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Biology, 22.06.2019 09:30
What type of plant is good for a bioassay and where can i buy it? i only have a month.
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Biology, 22.06.2019 10:00
Which statement best compares aerobic and anaerobic respiration
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Agrown tiger began its life as a single fertilized egg. explain why a tiger looks so much different...
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