What is the role of hydroyapetite

Question

Problem:

Question 1: The role of hydroyapetite is to?

1. provide compression strength.
2. resistance to shear force.
3. provide blood to the bone.
4. provide nerves to the bone.

 

Question 2: An important extracellular protein that gives elastic cartilage its characteristic springiness is?

1. collagen
2. ground substance.
3. elastin.
4. laminin.

 

Question 3: The type of cell responsible for bone elongation is the

1. fibrocyte
2. trabeculae.
3. periosteum.
4. chondrocyte.

 

Question 4: Which is not a component of connective tissue?

1. cells
2. fibrillar proteins
3. ground substance
4. epithelial cells

 

Question 5: In hair, the dividing cells that form hair are:

1. endothelial cells.
2. fibrocytes.
3. keratinocytes.
4. melanocytes..

Please provide correct answer.