Protein Structure
Marfan's syndrome is thought to be a mutation affecting

insufficient thyroid production
collagen synthesis
metabolism of homogentisic acid
hemoglobin synthesis

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Protein Structure
Cyclins are proteins that

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

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Protein Structure
Metastasis involves

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

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