Electron Microscopist Interview Question:

The cytoplasmic matrix is best described as:
A) A dilute aqueous solution that fills most of the cell.
B) A solution of inorganic salts intended to balance osmotic pressure in the cell.
C) A semicrystalline mixture mostly of proteins and bound water molecules.
D) Material in transit between membrane bound organelles

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C) A semicrystalline mixture mostly of proteins and bound water molecules.
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