Which of the following organelles is not found in prokaryotic cells?
A
Cell membrane
B
Ribosome
C
Nucleus
D
Cytoplasm
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1
Begin by understanding the basic structure of prokaryotic cells. Prokaryotic cells are simpler than eukaryotic cells and lack membrane-bound organelles.
Identify the organelles listed in the problem: cell membrane, ribosome, nucleus, and cytoplasm.
Recall that prokaryotic cells do have a cell membrane, which is essential for maintaining the integrity of the cell and controlling the movement of substances in and out.
Remember that ribosomes are present in prokaryotic cells and are responsible for protein synthesis, even though they are not membrane-bound.
Understand that the nucleus is a membrane-bound organelle that houses the cell's genetic material, and prokaryotic cells do not have a nucleus. Instead, their genetic material is located in a nucleoid region.