Answer:
Calcium
Explanation:
Parathyroid hormone (PTH) is a hormone that is secreted by the parathyroid gland. It is the major regulator of the plasma concentration of calcium ions. It regulates calcium ions in the kidney, intestine and bones.
In the kidney, is involved in the re-absorption of calcium in distal ducts and the renal collecting duct, it is also involved in activating the conversion of 25-hydroxy vitamin D into 1,25-dihydroxy vitamin D (calcitriol).
In the intestine, PTH is involved in the absorption of calcium, by increasing vitamin D production.
In the bone, it helps in regulating calcium levels; when serum calcium level is low, PTH stimulates the activity of the osteoclast, to produce more calcium.
<span>Smaller groupings within a species are called varieties and breeds. The correct options among all the options that are given in the question are the first option and third option or option "A" and option "C". I hope that this is the answer that you were looking for and it has actually come to your help.</span>
Complete question:
You will find the complete question in the attached files.
Answer:
4 individuals will have green, wrinkled seeds, constricted pods, and short heights, yy rr ii tt.
Explanation:
You will find the complete question, the answer, and the explanation in the attached files due to technical problems.
