1. Education

Your suggestion is on its way!

An email with a link to:


was emailed to:

Thanks for sharing About.com with others!

Most Emailed Articles

Share This Site

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.

Subscribe to the Newsletter

©2015 About.com. All rights reserved.