Protein Structure
Protein folding is

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

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Protein Structure
Metastasis involves

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

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Protein Structure
Cyclins are proteins that

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

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