Answer:
It is A Pls correct me if I'm wrong
Explanation:
<span>They are proteins that are secreted from fat cells to help regulate energy balance.</span>
<span>This form of providing energy for the storage and transport within the cell is called as Mitochondria. The energy production is done threw respiration and help regulate the cellular metabolism. Mitochondria are organelle that is present in the cytoplasm, not nucleus. Exercising your body can boost the density of mitochondria.</span>