They are called the chief cells. These cells are found in the parathyroid gland. they produce PTH and increase Ca2+ levels. These are small round cells with a central nucleus. PTH is antagonist to calcitonin which reduces Ca in body. Parathyroid glands found on the posterior surface of thyroid gland. There is a superior/inferior one. They are made up of chief and oxyphil cells, the chief cells produces the parathyroid hormone while the oxyphil cells no one knows what they do.
The answer is clay, if you look it up it will tell you!
Answer:
C. the behavior of an organism in a particular situation
There is a change in amino acids sequence causes these mutations, If there is an error in the order of amino acids during the process of multiplication, there is a special enzyme to repair errors
