Question

examine the diagram of photosynthesis below and use it to help you answer the following question: the purpose of the sunlight in photosynthesis is to provide the energy needed to create the adp needed to fuel the light reactions split the water (h₂o) molecule and separate the hydrogen (h) from the oxygen (o) combine the hydrogen (h) and oxygen (o) atoms and make a water (h₂o) molecule build the glucose (c₆h₁₂o₆) molecule

Explanation:

• Analyze Option 1: ADP is converted to ATP in light reactions (energy storage), not created to fuel light reactions. So this is incorrect.
• Analyze Option 2: In photosynthesis' light reactions, sunlight energy splits \( H_2O \) into \( H \) and \( O \) (oxygen is released, hydrogen is used in further reactions). This matches the role of sunlight.
• Analyze Option 3: Combining \( H \) and \( O \) to make \( H_2O \) is not part of photosynthesis (photosynthesis splits water, respiration or other processes might involve water formation, but not here). Incorrect.
• Analyze Option 4: Building glucose occurs in the Calvin cycle (dark reactions) using ATP and NADPH from light reactions, not directly powered by sunlight. Incorrect.

Answer:

B. split the water (\(H_2O\)) molecule and separate the hydrogen (\(H\)) from the oxygen (\(O\))