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Grana and stroma lamella occur in...

Grana and stroma lamella occur in

A

Ribosome

B

Chloroplast

C

Mitochondria

D

Golgi body

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**Step-by-Step Text Solution:** 1. **Identify the Structures**: Grana and stroma lamellae are structures found within chloroplasts, which are organelles responsible for photosynthesis in plant cells. 2. **Understanding Grana**: Grana are stacks of thylakoids, which are disc-like structures that contain chlorophyll. They are the site of the light-dependent reactions of photosynthesis. 3. **Understanding Stroma**: The stroma is the fluid-filled space surrounding the grana within the chloroplast. It is the site of the light-independent reactions (Calvin cycle) of photosynthesis. 4. **Function of Grana**: The primary function of grana is to capture light energy and convert it into chemical energy in the form of ATP and NADPH during the light reactions. 5. **Function of Stroma**: The stroma uses the ATP and NADPH produced in the grana to convert carbon dioxide into glucose during the dark reactions (Calvin cycle). 6. **Conclusion**: Therefore, grana and stroma lamellae occur in chloroplasts, which are essential for the process of photosynthesis in plants. ---
**Step-by-Step Text Solution:** 1. **Identify the Structures**: Grana and stroma lamellae are structures found within chloroplasts, which are organelles responsible for photosynthesis in plant cells. 2. **Understanding Grana**: Grana are stacks of thylakoids, which are disc-like structures that contain chlorophyll. They are the site of the light-dependent reactions of photosynthesis. 3. **Understanding Stroma**: The stroma is the fluid-filled space surrounding the grana within the chloroplast. It is the site of the light-independent reactions (Calvin cycle) of photosynthesis. ...
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