Biology Crossword

6. naturally occurring chemical compounds that serve as the primary information-carrying molecules in cells
9. a molecule that may react chemically to another molecule of the same type to form a larger molecule
10. the site of photosynthesis
11. compounds that perform a variety of functions in your body
12. movement of water molecules
16. the study of living things
17. a network of membranes inside a cell through which proteins and other molecules move
18. membrane-enclosed organelle within a cell that contains the chromosomes

1. one of three main nutrients found in foods and drinks
2. helps process and package proteins and lipid molecules
3. proteins that help speed up metabolism
4. generates most of the chemical energy needed to power the cell's biochemical reactions
5. an intercellular structure made of both RNA and protein
7. the smallest, basic unit of life that is responsible for all of life's processes
8. any process in which relatively small molecules, called monomers, combine chemically
13. a membrane-bound cell organelle
14. large, complex molecules that play many critical roles in the body
15. a membrane-bound cell organelle that contains digestive enzymes