Which of the following exemplifies a positive feedback process happening in bone mineral deposition?
A. Osteoclasts secrete acid phosphatase that digests collagen.
B. Osteoblasts neutralize inhibitors that prevent bone resorption.
C. The first few crystals that form attract more calcium and phosphate.
D. Collagen is digested by enzymes and hydroxyapatite by hydrochloric acid.
E. Solubility product is reached in the tissue fluids.
Answer: C
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