Biology - B3

1. Type of diffusion involving random movement of water molecules.
4. Earthy material in which an organism lives.
6. A process modifying a molecular structure of a protein.
7. Difference in concentration between two areas next to each other.
9. Major airway in the respitory system, which connects the pharynx and larynx to the lungs.
10. Exposed respitory organ of mostly amphibians, e.g. fish.
12. Makes gas exchange happen easily and efficently in lungs for the human body.
13. a type of capillary that absorbs dietary fats in the villi of the small intestine.
14. Process of dissolved molecules moving across a cell membrane.

2. Sum of areas of all faces, or surfaces.
3. Allowing some particles through and not others.
5. Simple organic compound containing a Carboxyl and an Amino group.
8. Process of substances not moving from concentration gradient.
11. Specific region of an Enzyme where a substrate binds and catalysis occurs.