Protein Structure
BRACl, an inherited form of breast cancer, regulates cell division by

binding to the protein RAD 51 which repairs DNA damage
binding to a DNA sequence
binding to the cell outer membrane
complexing with cyclins

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Protein Structure
Metastasis involves

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

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Protein Structure
Cyclins are proteins that

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

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