Prokaryotic cells differ from eukaryotic cells in that A. prokaryotic cells lack a true nucleus and membrane bound organelles
B. prokaryotic cells are much larger than eukaryotic cells
C. prokaryotic cells require oxygen and eukaryotic cells do not
D. prokaryotic cells are living and eukaryotic cells are nonliving

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Study the diagram of a desert food chain . what would most likely happen if the kangaroo rats were killed off and removed from the food chain ?

Imagine that a mouse has white fur because of a mutation in its dna. which of the following conclusions can be drawn

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.