AP BIOLOGY

Detailed explanation-1: -Osmosis and Diffusion Examples Plant root hairs uptaking water is another example of osmosis. Diffusion Examples: A good example of diffusion is the way perfume fills an entire room. Another example is the movement of small molecules and ions across the cell membrane.

Detailed explanation-2: -Final Answer: Uptake of water by root hair and swelling of seed when put in soil are examples of osmosis.

Detailed explanation-3: -Answer and Explanation: An example of diffusion is c. passage of oxygen from the alveoli to the blood.

Detailed explanation-4: -It is used for preservation of fruits and meat Meat, fish, vegetables are stored in salt and fruits are stored in sugar. They are easily attacked by bacteria that contaminate them. If sugar and salt are used as preservatives, the microbes lose water and their metabolism will decrease. Therefore the microbes will die.