Cells are the smallest unit of life. When life first began, there were only prokaryotic cells on Earth. Over time, eukaryotic cells evolved. Today, there are trillions of prokaryotic and eukaryotic cells in the human body.Which of the following cellular components is present in BOTH prokaryotic and eukaryotic cells?Elimination ToolSelect one answerARibosomes.BNucleus.CEndoplasmic reticulum.DMitochondria.
Question
Cells are the smallest unit of life. When life first began, there were only prokaryotic cells on Earth. Over time, eukaryotic cells evolved. Today, there are trillions of prokaryotic and eukaryotic cells in the human body.Which of the following cellular components is present in BOTH prokaryotic and eukaryotic cells?Elimination ToolSelect one answerARibosomes.BNucleus.CEndoplasmic reticulum.DMitochondria.
Solution
The correct answer is A. Ribosomes. Both prokaryotic and eukaryotic cells contain ribosomes. Ribosomes are responsible for protein synthesis in the cell. The other options - Nucleus, Endoplasmic reticulum, and Mitochondria - are components that are typically found in eukaryotic cells but not in prokaryotic cells.
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