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Week Six Science Warm Ups

1. In the plant cell, what organelle is responsible for the production of food?

Answer: Chloroplasts


2. What is the main purpose of the cell membrane?

Answer: It helps to regulate the passage of materials between the wall and its environment.


3. What do we call the process when a sugar cube dissolves in a cup of water?

Answer: Diffusion


4. Osmosis is a type of diffusion. However, what is being diffused in osmosis?

Answer: Water


5. What is the difference between endocytosis and exocytosis?

Answer: Endocytosis - the process that cells use to take in large molecules that can not fit through the cell membrane. Exocytosis - the process that cells use to expel large molecules from the cell.



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