-In the accompanying figure, the reactions at letter A ____.

Question

Quizplus · Accepted Answer

The reactions at letter A are dependent on light as they are part of the light-dependent reactions (also known as the "photo" reactions) of photosynthesis. These reactions occur in the thylakoid membranes of the chloroplasts and involve the absorption of light energy to generate ATP and NADPH, which are used in the subsequent dark reactions (also known as the "synthesis" reactions). Water is also split during the light-dependent reactions to provide electrons for the electron transport chain, but this is not the main purpose of these reactions. The Calvin-Benson cycle (also known as the "dark" or "synthesis" reactions) occurs in the stroma of the chloroplasts and uses the ATP and NADPH generated in the light-dependent reactions to fix carbon dioxide into organic molecules.

-In the Accompanying Figure, the Reactions at Letter a ____