Im going to say that its <span>d. The head of the phospholipid, which is hydrophilic, helps to control the movement of large hydrophobic molecules, and the tails of the phospholipid, which are hydrophobic, help to control the movement of large hydrophilic moleculeus. </span>
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Answer:
Osteoblasts
Explanation:
Cells that secrete protein fibres in bones are called osteoblasts.
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