Protein Structure
Protein folding is

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

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Protein Structure
Cyclins are proteins that

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

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Protein Structure
Metastasis involves

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

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