Protein Structure
Protein folding is

mediated by other proteins called chaperones
mediated by the ribosomes
automatic, mediated by the protein itself
None of these

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Protein Structure
Metastasis involves

ability of cells to dissolve cellular matrix
All of these
decreased levels of proteins that regulate metalloproteins
metalloprotein levels

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Protein Structure
Cyclins are proteins that

regulate ability of cells to invade tissue
regulate apoptosis of damaged cells
regulate passage from one stage of cell division to another
None of these

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