Answer:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
The answer is A which is CH4.
Answer:
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Explanation:
Many of these diseases can be prevented by the use of viral vaccines, which stimulate protective immunity against the virus without causing major disease. Viral vaccines may also be used in active viral infections, boosting the ability of the immune system to control or destroy the virus.
The material that makes up the membrane cell is the phospholipids, cholesterol, proteins, and carbohydrates.
<span>Sugars and starches are different because they have a different texture and they also taste different.
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Gula dan pati yang berbeda karena mereka memiliki tekstur yang berbeda dan mereka juga rasa yang berbeda.
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