In the chemical equation for photosynthesis, carbon dioxide and water are converted to glucose and oxygen.
[tex]6 CO_2+6 H_2 O \rightarrow C_6 H_{12} O_6+6 O_2[/tex]
Which component could be added to complete this chemical equation?
A. right energy
B. ATP and NADPH
C. chemical energy
D. rubisco
Answer (2)
Photosynthesis converts carbon dioxide and water into glucose and oxygen.
The process requires light energy as an input.
ATP and NADPH are energy-carrying molecules involved in the process.
The missing component in the equation is light energy, which drives the reaction. r i g h t e n er g y
Explanation
Understanding the Photosynthesis Equation The chemical equation for photosynthesis is given as: 6 C O 2 + 6 H 2 O r i g h t a rro w C 6 H 12 O 6 + 6 O 2 . We need to identify the missing component that completes this equation. Photosynthesis is the process where carbon dioxide and water are converted into glucose and oxygen. This process requires energy.
Analyzing the Options Let's analyze the options:
right energy: This is vague. Photosynthesis requires light energy, but 'right energy' is not a specific component.
ATP and NADPH: These are energy-carrying molecules produced during the light-dependent reactions of photosynthesis and used in the Calvin cycle (light-independent reactions) to convert carbon dioxide into glucose.
chemical energy: This is a general term and not a specific component that can be added to the equation.
rubisco: This is an enzyme involved in carbon fixation in the Calvin cycle.
Identifying the Missing Component The most appropriate component to complete the equation is light energy . Photosynthesis is the process by which plants convert light energy into chemical energy in the form of glucose. The unbalanced equation shows the reactants and products, but it doesn't explicitly state the requirement for light energy. While ATP and NADPH are crucial, they are products and reactants within the cycle, not an external component needed to initiate the overall process.
Conclusion Therefore, the complete chemical equation for photosynthesis should implicitly include light energy as a necessary input for the reaction to occur.
Examples
Photosynthesis is a fundamental process that sustains life on Earth. It's how plants convert light energy into chemical energy, producing the oxygen we breathe and the food we eat. Understanding the chemical equation helps us appreciate how plants use sunlight, water, and carbon dioxide to create glucose, a sugar that fuels their growth. This process is not only vital for plants but also for the entire ecosystem, as it forms the base of the food chain and regulates the Earth's atmosphere.
Photosynthesis requires light energy to convert carbon dioxide and water into glucose and oxygen. Therefore, while the options don't specifically mention light energy, it is the key component that allows the reaction to occur. Based on this analysis, none of the provided options accurately reflect the direct requirement for light energy in this equation.
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