<span>C.) wavelength is the answer</span>
Answer:
The respiratory and circulatory systems bring oxygen and nutrients to the cells. The respiratory and circulatory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood. The lungs contain the bronchi, bronchioles, and alveoli.
Explanation:
Answer:
Option (C).
Explanation:
VEGF (Vascular endothelial growth factor) acts as a signalling molecule for the platelet derived growth factors. Paracrine signalling helps in the cell communication of the near by cells.
VEGF can acts as the paracrine signalling molecule. They have the ability to binds with receptor and can cause the formation of new blood vessels to their by neighbor cells also.
Thus, the correct answer is option (C).
Answer:
Stomata – Stomata are pores in the leaf that allow gas exchange where water vapor leaves the plant and carbon dioxide enters. Special cells called guard cells control each pore's opening or closing. When stomata are open, transpiration rates increase; when they are closed, transpiration rates decrease.