Biology
pixiie123
2015-10-28 20:03:00
How can a scientist know if what he/she is looking at, under the microscope, is in fact a cell? What can mislead us to think we are looking at a cell but in fact we are looking at non-living structures of about the same size?
ANSWERS
mazzo77
2015-10-28 22:42:46

a cell has a nucleus 

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