AP BIOLOGY

Detailed explanation-1: -In plants and algae, which developed much later, photosynthesis occurs in a specialized intracellular organelle-the chloroplast. Chloroplasts perform photosynthesis during the daylight hours. The immediate products of photosynthesis, NADPH and ATP, are used by the photosynthetic cells to produce many organic molecules.

Detailed explanation-2: -Answer: Chloroplasts-Photosynthesis for the most part happens in the green pieces of the plant that have chloroplasts. Mesophyll cells in the leaves have countless chloroplasts in them.

Detailed explanation-3: -The chloroplast is involved in both stages of photosynthesis. The light reaction takes place in the thylakoid discs. There, water (H20) is oxidized, and oxygen (O2) is released. The electrons freed up from water are transfered to ATP and NADPH.

Detailed explanation-4: -Photosynthesis: Light Reactions Light reactions of photosynthesis occur in the thylakoid membranes of the grana in the chloroplast in the presence of sunlight.

Detailed explanation-5: -Answer: Solution 9: Chloroplasts are found in plant cells only because chloroplasts contain chlorophyll which is essential for photosynthesis. Chlorophyll traps sunlight and uses it to prepare food for plants by the process of photosynthesis.