Question: A laboratory examines an unknown cell sample, which is believed to be a eukaryotic cell, and makes the following observations: approximately 20 micrometers in size contains linear DNA within a membrane-bound structure includes mitochondria and other internal compartments Based on the laboratory findings, which feature of the cell supports this classification? Need Assignment Help? Presence of a membrane-bound nucleus Absence of membrane-bound organelles Presence of circular DNA in the cytoplasm Presence of very small cell size