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Which of the following is true about prokaryotic organisms?

1. Prokaryotic organisms contain 70S ribosomes.
2. Prokaryotes possess double-stranded DNA.
3. Prokaryotic DNA is not surrounded by a membrane.
4. Prokaryotes do not have organelles enclosed by membranes.

Correct answer: Prokaryotes do not have organelles enclosed by membranes.

Solution

Prokaryotes are defined by the absence of membrane-bound organelles such as a nucleus, mitochondria, and ER. While they do have DNA and ribosomes, the key true statement here is that they do not have organelles enclosed by membranes.

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