Science Crossword

2. used to trap light for photosynthesis
5. the body's main sugar and primary energy source
7. the process where plants, algae, and some bacteria use sunlight, water, and carbon dioxide to create their own food and release oxygen
9. organelle inside cells, often called the "powerhouse of the cell," because it generates most of the cell's energy from food, stored as ATP, to fuel its activities
11. the substance or outcome resulting from a process or reaction

1. a specialized organelle in plant and algae cells for conducting photosynthesis
3. the initial stage of photosynthesis, occurring in the thylakoid membranes of chloroplasts, where chlorophyll captures sunlight to convert it into chemical energy
4. a substance that takes part in and undergoes change during a reaction
6. ten-step metabolic pathway in the cell's cytoplasm that breaks down one glucose molecule into two pyruvate molecules, generating a net of 2 ATP (energy) and 2 NADH (electron carriers)
8. tiny pores, mainly on plant leaves, controlled by guard cells that open and close to regulate gas exchange and manage water loss
10. the process where plants release water vapor into the atmosphere, primarily through tiny pores called stomata on their leaves, after absorbing water through their roots
12. any of a number of organized or specialized structures within a living cell