Osteoclasts Are

question 55

Multiple Choice

Osteoclasts are 

• A)cells that secrete bone matrix.
• B)mature bone cells that maintain the matrix.
• C)immature bone cells that give rise to osteocytes.
• D)cells that break down bone matrix.

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Definitions:

Fraternal Twin

Siblings born at the same time who have developed from two different eggs fertilized by two different sperm cells, making them genetically unique from each other.

Hemophilia

An X-linked chromosomal disorder involving abnormal blood clotting.

Blood Clot

A mass formed by the coagulation of blood in response to injury or a medical condition, which can impede blood flow.

Dominant Inheritance

A genetic principle in which an allele expresses its phenotype even in the presence of a recessive allele.