Across
- 1. An essential building block of organic compounds
- 4. The movement of oxygen from the outside air to inside the body's cells and the movement of carbon dioxide in the opposite direction
- 6. Biomolecules made up of amino acids and found in all living cells that perform bodily functions
- 7. A sugar composed of six carbon atoms that is preferred energy source for most cells
- 8. A chemical reaction during which plants convert radiant energy from the Sun to chemical energy
Down
- 1. A membrane-bound organelle in plants that is the site of photosynthesis
- 2. A substance that takes part in and undergoes change during a chemical reaction
- 3. A gas produced by plants during photosynthesis that animals use for respiration
- 5. Biological chemicals that help speed up complex chemical reactions in your body
- 6. A substance produced during a chemical reaction