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Multiple Choice
Which main structure is absent in prokaryotic cells that is present in eukaryotic cells?
A
Nucleus
B
Cytoplasm
C
Ribosomes
D
Cell membrane
Verified step by step guidance
1
Begin by understanding the basic differences between prokaryotic and eukaryotic cells. Prokaryotic cells are simpler and lack certain organelles that are present in eukaryotic cells.
Identify the key organelles that are typically found in eukaryotic cells but absent in prokaryotic cells. The nucleus is a major organelle that is present in eukaryotic cells and absent in prokaryotic cells.
Consider the function of the nucleus. It houses the cell's genetic material and is involved in processes such as transcription and replication.
Review the other options provided: cytoplasm, ribosomes, and cell membrane. These structures are present in both prokaryotic and eukaryotic cells.
Conclude that the nucleus is the main structure absent in prokaryotic cells but present in eukaryotic cells, distinguishing the two types of cells.