Osteoblasts Are Cells That

question 49

Multiple Choice

Osteoblasts are cells that

• A) lay down new matrix on bone surfaces.
• B) are surrounded by matrix and remain in contact through thin cellular extensions.
• C) sit in lacunae that are connected by tiny channels.
• D) break down old bone and deposit new bone.
• E) break down old cartilage and deposit new bone.

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Definitions:

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Indicators or signals that suggest or convey an individual's or group's social standing, prestige, or rank within a society.

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A physical characteristic resulting from the pigment melanin, which varies widely among humans and is often used as a basis for social classification and identity.

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