Eukaryotic cells are more complex than prokaryotic cells....

Eukaryotic cells are more complex than prokaryotic cells. Which of the following are found only in a eukaryotic cell?
a. Cell wall
b. $\quad$ Plasma membrane
c. Endoplasmic reticulum
d. $\quad$ Ribosomes

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Key Concepts

Eukaryotic Cells

Eukaryotic cells are characterized by a defined nucleus and a variety of membrane-bound organelles, which compartmentalize cellular functions and allow for higher complexity in structure and regulation. This cellular organization distinguishes them from prokaryotic cells.

Prokaryotic Cells

Prokaryotic cells are simpler in structure, lacking a true nucleus and membrane-bound organelles. Their genetic material is not enclosed within a nuclear membrane, which contributes to their streamlined and efficient organization.

Membrane-bound Organelles

Membrane-bound organelles are specialized compartments within eukaryotic cells, enclosed by lipid bilayers. These include structures such as the endoplasmic reticulum, golgi apparatus, and mitochondria, each performing distinct cellular functions absent in prokaryotes.

Endoplasmic Reticulum

The endoplasmic reticulum is a prominent membrane-bound organelle found exclusively in eukaryotic cells. It functions in the synthesis, folding, and modification of proteins, as well as in lipid metabolism, underscoring its role in the cellular complexity unique to eukaryotes.

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