Cell Structure and Compartments
A certain cell organelle which is made of a double phospholipid bilayer that has many large pores in it, is most likely

the plasma membrane
the nuclear envelope
the mitochondrion
the cytoskeleton

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

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

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Cell Structure and Compartments
According to the fluid mosaic model of cell membranes,

the membrane is a highly mobile mixture of phospholipids and proteins
the unique properties of cell types are determined by their phospholipids
basic membrane structure results from how the proteins interact with water
the most common type of molecules in the membrane are proteins

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