Protein Structure
Protein folding is

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

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Protein Structure
Cyclins are proteins that

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

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Protein Structure
Metastasis involves

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

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