Cell Structure and Compartments
An organism's first line of defense against attack by an invader such as a virus or bacterium is usually

to flee or hide
a nonspecific immune response
its body wall
a specific immune response

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

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

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Cell Structure and Compartments
What do dystrophin, utrophin, actin, and tubulin have to do with eukaryotic cell structure and function?

They all participate in the production of large amounts of ATP
They all participate in the degradation of large amounts of ATP
They are components in the reactions of photosynthesis
They are all embedded proteins in plasma membranes

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