Answer:
A
Explanation:
Just like the famous saying "The mitochondria is the power house of the cell" it creates ATP which is energy for the cell. It breaks down glucose to do so and is a key factor in cells
Answer:
What grade for this is it
The respiratory system brings air into the lungs supplying the blood with oxygen. Oxygen is carried throughout the body to the organs and keeps the heart pumping and when the blood circulates back to the lungs the process starts over again.
<span>For calcium to be absorbed it must bind to a hormone regulated brush border protein called Calbindin.
Calbindins are calcium binding protein. As it names also shows that, Cal for calcium and bindin for binding. they are also described as vitamin D dependent calbindin proteins.
Calbindin-D9k and Calbindin-D28k are two identified forms of protein. </span>
