Rough Endoplasmic Reticulum and Smooth Endoplasmic Reticulum Differ

question 168

Multiple Choice

Rough endoplasmic reticulum and smooth endoplasmic reticulum differ

• A) only in terms of the presence (in RER) or absence (in SER) of ribosomes.
• B) in their function, and also in terms of the presence (in RER) or absence (in SER) of ribosomes.
• C) only in terms of their microscopic appearance.
• D) only in their function.
• E) in terms of their evolutionary origins.

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Definitions:

Protocells

Simple, self-organized, prebiotic structures that are considered the precursors to living cells.

Eukaryotic Cells

Cells that contain a nucleus and other organelles enclosed within membranes, differentiating them from prokaryotic cells.

Prokaryotic Cells

Simple, single-celled organisms without a nucleus or other membrane-bound organelles, such as bacteria.

Invertebrates

Animals that lack a vertebral column or backbone, including groups such as insects, mollusks, and arachnids.