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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, 21.06.2019 23:10
Depending on the organism the number of in a cell may change
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Biology, 22.06.2019 03:40
Organisms that successfully adapt will leave to grownone of the above
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Biology, 22.06.2019 06:20
Which direction does the energy flow in this energy pyramid ?
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What constitutes cyotsol? a. cytoplasm and organelles b. transport proteins and carbohydrates c. mi...
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