Question

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1. the light dependent reaction occurs in the
2. during water molecules are split into hydrogen ions, and

oxygen.

1. is released as a waste product.
2. the hydrogen ion is used to convert nadp+ into

Explanation:

1. The light - dependent reaction occurs in the thylakoid. Thylakoids are membrane - bound compartments in chloroplasts where light - dependent reactions take place.
2. During photolysis, water molecules are split. Photolysis is the process of splitting water molecules. When water is split, it forms hydrogen ions, electrons, and oxygen.
3. Oxygen is a by - product of the light - dependent reactions (specifically from water photolysis) and is released as a waste product.
4. Hydrogen ions are used in the electron transport chain associated with photosynthesis. NADP+ accepts electrons and hydrogen ions to form NADPH.

Answer:

1. Thylakoid
2. photolysis, electrons
3. Oxygen
4. NADPH