Nucleus and Nucleolus
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SAT Subject Test in Biology › Nucleus and Nucleolus
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1
A student identifies a cell as prokaryotic. Which of the following could NOT be a characteristic of the cell?
A true nucleus
Ribosomes
A cell wall
The ability to carry out photosynthesis
DNA
Explanation
A defining characteristic of prokaryotes is the lack of a true nucleus. Prokaryotic cells do contain ribosomes, DNA, and cell walls, and some but not all prokaryotes are capable of photosynthesis.