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Which of the following components of bone is most responsible for compressive strength?
Type I collagen
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All of the following are true regarding osteocalcin EXCEPT which of the following?
It is the most prevalent non-collagenous protein in bone
It is expressed by mature osteoblasts
It is considered a marker for osteoblast differentiation
It is a glycoprotein that binds calcium
Higher levels are correlated with increases in bone mineral density during osteoporosis treatment
All of the following statements are true of osteocalcin EXCEPT:
It is the most abundant noncollagenous protein of bone
It is secreted by osteoclasts
It is involved in mediating calcium homeostasis
It has been used as a biochemical marker of bone formation
It is part of the organic matrix of bone