Answer:
Part of the extracellular matrix secreted by osteocytes. (Ans. B)
Explanation:
Cells which are present on bones are known as osteocytes. Bone is composed of extracellular matrix, and cells. There are three types of cells which are present in the bones:
1) Osteoprogenitor cells.
2) Osteoblast.
3) Osteocyte.
Extracellular matrix is composed of organic matrix consisting glycoproteins, proteoglycans, osteocalcin also known as calcium binding proteins, and osteonectin which anchors bone mineral to collagen.
<span>Answer:
If you were expecting a ratio of 9:3:3:1 you would have to make sure that you had enough offsrpring to count to give yourself a chance of getting that ratio. If you only had 8 offspring you would never get the ratio. Remember genetic ratios are probabilities of what to expect and you need a large enough sample to ensure accuracy.</span>
They all divide people into different social groups.