Across
- 4. term used to describe molecules that contain both hydrogen and carbon
- 6. the ability of an organism to maintain a stable internal environment even when the external environment changes
- 8. all the chemical reactions that occur within the cells of an organism
- 9. a large structure within a cell that controls the cell’s metabolism and
- 11. a group of specialized cells that perform a specific function
- 12. any one of several building blocks of proteins
- 13. for use in cells
- 14. a structure within the cell that carries on out a specific function
- 16. genetic information, including chromosomes and DNA
- 19. a type of molecule that does not contain both carbon and hydrogen but can contain any other combination of molecules
Down
- 1. pod-shaped organelles that contain enzymes used to extract energy from food
- 2. green organelles that contain chlorophyll; where photosynthesis takes place
- 3. the movement of molecules from areas of high concentration to areas of low concentration
- 5. the process by which cells use energy to transport molecules through the cell membrane from areas of low concentration to areas of high concentrations
- 7. a life process that involves combining simple substances into more complex substances
- 10. a chemical produced in the endocrine system
- 15. the removal of all the non-solid wastes produced by the body
- 17. the body’s ability to destroy pathogens before they cause disease
- 18. the process by which the chemical bond energy stored in nutrients is