Which vitamin is essential for the synthesis of osteocalcin by osteoblasts?
Show answer and explanation
Correct answer: Vitamin K
Vitamin K is a cofactor for the carboxylation of glutamic acid residues in osteocalcin. This modification is necessary for the protein to bind calcium and participate in the mineralization of the bone matrix.
Keep practicing
More Osteoblasts questions
- What is the primary effect of intermittent low doses of Parathyroid Hormone (PTH) on osteoblasts?
- Under an electron microscope, the side of the osteoblast facing the osteoid is characterized by:
- From which precursor cell type do osteoblasts directly differentiate?
- Which of the following describes the typical morphology of an active osteoblast seen under a light microscope?
- What is the primary organic component of the bone matrix secreted by osteoblasts?
- The unmineralized, organic matrix newly secreted by osteoblasts is known as: