Florida Biology EOC Practice Test 2025 - Free Biology End-of-Course Practice Questions and Study Guide

Question: 1 / 400

What is the overall chemical equation for photosynthesis?

6CO2 + 6H2O → C6H12O6 + 6O2

The overall chemical equation for photosynthesis represents the process by which green plants, algae, and some bacteria convert light energy into chemical energy stored in glucose. In this equation, six molecules of carbon dioxide (CO2) combine with six molecules of water (H2O) in the presence of light and chlorophyll to produce one molecule of glucose (C6H12O6) and six molecules of oxygen (O2).

This reaction illustrates the fundamental role of photosynthesis in the ecosystem; it not only provides the carbohydrate that serves as food for plants but also releases oxygen, which is essential for the survival of aerobic organisms, including humans.

The balanced nature of this equation, with the same number of each type of atom on both the reactant and product sides, reflects the Law of Conservation of Mass. Understanding this equation is critical for comprehending the broader cycles of matter and energy flow in biological systems.

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6O2 + C6H12O6 → 6CO2 + 6H2O

C6H12O6 + 6O2 → 6CO2 + 6H2O

C6H12O6 + 6CO2 → 6O2 + 6H2O

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