Since it is a light-absorbing pigment, chlorophyll is called a photoreceptor. Also note that there are two types of chlorophyll: chlorophyll a and chlorophyll b. Function. Chlorophyll molecules are contained inside chloroplasts, which are the food producers of the cell found
Calcitonin has an opposite effect, as it decreases the levels of calcium in the blood. Overall, PTH has a strong effect on the blood concentration of calcium, whereas calcitonin has a more moderate effect and is not critical in helping the body maintain normal blood calcium levels.
Their main function is to produce PTH, which is made by the chief cells of these glands. Ad. Another link between calcitonin and PTH is that both molecules are hormones, which are chemical mediators that help the body maintain a suitable internal environment. Both of these substances are polypeptides, which means that they are composed of amino acids linked together in a specific order.