A hormone is a regulatory molecule that is secreted into the blood by an endocrine gland
Answer:
Diffusion is powerful over a particular distance and bounds the size that a character cellular can gain.
Explanation: If cellular is an unmarried-celled microorganism, consisting of an amoeba, it is able to satisfy all of its nutrient and waste needs via diffusion. If the mobile is too massive, then diffusion is useless at finishing all of these responsibilities.
Answer:
sexual reproduction between two individuals from different continents
Pro cells have cell wall but eukar don’t