Cell Structure and Compartments
Which of the following two organelles look most alike structurally?

Golgi apparatus and smooth endoplasmic reticulum ER
Nucleus and vesicle
Lysosome and chloroplast
Vacuole and cytoskeleton

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Cell Structure and Compartments
Microtubules, motor proteins, and actin filaments are all part of

the process that moves small molecules across cell membranes
the mechanism of photosynthesis that occurs in chloroplasts
the rough ER (endoplasmic reticulum) in prokaryotic cells
the cytoskeleton of eukaryotic cells

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Cell Structure and Compartments
Which of the following statements about prokaryotes is false?

Prokaryotic cells are much smaller than most eukaryotic cells
Ancient prokaryotes may have given rise to some eukaryotic organelles
The substance known as cytosol is found within the bacterial nucleus
Prokaryotic cells concentrate important materials for the cells survival

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