Across
- 3. The rate at which the body burns energy when the organism is resting
- 4. A form of complex carbohydrates from plants that humans cannot digest
- 5. Storage form of glucose in plants
- 7. Process by which organisms maintain a relatively stable internal environment
- 9. (adenosine triphosphate) main energy source that cells use for most of their work
- 10. A green pigment found in the chloroplasts of plants, algae, and some bacteria
- 15. Substances that help build and maintain body cells and tissues
- 19. Compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
- 20. A type of protein that speeds up a chemical reaction in a living thing
- 22. Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
- 24. An organelle found in plant and algae cells where photosynthesis occurs
- 25. ''Powerhouse''; energy to power the cell's activities,
- 27. The process in which plants use the sun's energy to convert water and carbon dioxide into sugars
- 28. Compounds found in food that help regulate many body processes
Down
- 1. The chemical processes that occur within a living organism in order to maintain life.
- 2. A process that makes a limited amount of ATP from glucose and that produces a product, such as ethyl alcohol or lactic acid
- 6. Process that does not require oxygen
- 8. A simple sugar that is an important source of energy.
- 11. Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.
- 12. A unit used to measure the amount of energy contained in foods
- 13. A condition in which the body is unable to produce enough insulin, the hormone required for the metabolism of sugar
- 14. Elements found in food that are used by the body
- 16. Small openings on plant leaves through which oxygen and carbon dioxide can move
- 17. The state of having an excess amount of body fat
- 18. A reaction between oxygen and a fuel or food
- 21. Process that requires oxygen
- 23. A substance that provides nourishment essential for growth and the maintenance of life.
- 26. A substance (made of sugars) that is common in the cell walls of many organisms
