1. Describe the functions of the following organelles: mitochondria, ribosomes, lysosomes, chloroplasts. 2. Name three molecules that are able to move directly across the phospholipid bilayer of the...

1. Describe the functions of the following organelles: mitochondria, ribosomes, lysosomes, chloroplasts.

2. Name three molecules that are able to move directly across the phospholipid bilayer of the cell membrane.

3. What is diffusion?

4. What distinguishes passive transport from active transport?