Protein Structure
Protein folding is

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

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Protein Structure
Cyclins are proteins that

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

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Protein Structure
Metastasis involves

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

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