ATP and PHOTOSYNTHESIS

2. Another name for Autotroph
3. The organelle where photosynthesis takes place
5. The substances present at the start of a reaction that are written on the left side of the arrow in the equation.
6. An energy-carrying molecule (energy carrier) found in the cells of all living things.
8. One of the products of photosynthesis
10. The substances formed during the reaction, are written on the right side of the arrow.
11. The number of phosphate groups the ATP molecule contains
13. During photosynthesis light is converted into this type of energy.
14. One of the reactants of photosynthesis; it is a gas (TWO-WORDS)
16. The sum of all the chemical reactions that take place in a cell or in a living organism.
19. Microscopic autotrophs that are the main producers in marine ecosystems
21. The process by which atoms or groups of atoms are reorganized into new substances. (TWO-WORDS)

1. An organism that digests food (eats other organisms) as a source of energy
4. An organism that uses energy to make its own food
7. One of the reactants of photosynthesis
9. ATP is this type of biological macromolecule. (TWO-WORDS)
12. The green pigment that traps the light; it is found in the cells of most of the autotrophs.
15. Another name for Heterotroph
17. The number of phosphate groups the ATP molecule contains
18. One of the products of photosynthesis; it is a gas
20. It is required for all cellular activities
22. The molecule formed when a phosphate group is removed from the ATP molecule