A student observes this cell under the microscope. He is discussing the structure indicated by the arrow with his lab partner. What would be the most likely classification of the cell pictured? What evidence supports your choice?
A) This cell is eukaryotic because it is enclosed in a cell membrane and does not have a cell wall.
B) This cell is prokaryotic because it contains ribosomes to carry out protein synthesis.
C) This cell is prokaryotic because it contains a nucleus with circular DNA.
D) This cell is eukaryotic because it contains membrane-bound organelles such as lysosomes and vacuoles.