Biology
In what chief capacity does vitamin k function?

Produce rhodopsin
Raise plasma calcium
Blood clot
Bone density

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Biology
Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?

All are incorrect
Exact concentration of solution is not given
The flow of solution is not possible through semi permeable membrane
Character of semi permeable membrane is not given

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