A cell membrane completely made of a polar substance would be completely permeable to all ions present in the extracellular environment, thus disrupting unique ionic composition within the cell.
When you take the food into your mouth and chew on it, your salivary glands secret enzymes called salivary amylase which is responsible for breaking down starch to smaller carbohydrates, like starch. Basically, the process of taking in the nutrient of the food to the body begins by breaking it down to smaller components.
Answer:
Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration down the concentration gradient.
Explanation:
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Answer:
thats just how the cookie crumbles.
Explanation:
While some species evolve, due to a thriving enviroment and cross breeding, the world is dying. Millions of habitats have been destroyed, causing some animals to not survive in the wild. Like pandas, when their homes were being destroyed, they starved. When they starved, they didn't reproduce. On and on and on.