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Q11: Who invented the ?rst crude microscope by
Q51: All of the following are diameters of
Q51: The ?rst cells appeared about _ billion
Q54: Whether an organism is an autotroph or
Q62: The building blocks of an enzyme are
Q67: Which one of the following will be
Q77: Which of the following properties are shared
Q83: Assuming that the economy is producing at
Q88: A protozoan having a flagellum would be
Q93: Using species names for viruses is controversial