Question

identify chloroplast structures
identify structure a
identify structure b
identify structure c
identify structure d
done

Explanation:

• Chloroplasts are double - membrane - bound organelles. The outermost structure (A) is the chloroplast itself.
• The stroma (B) is the fluid - filled space inside the chloroplast, outside the thylakoid membranes.
• A granum (C) is a stack of thylakoids.
• A thylakoid (D) is a single, disk - shaped membrane - bound structure where the light - dependent reactions of photosynthesis occur.

Answer:

Identify structure A: Chloroplast
Identify structure B: Stroma
Identify structure C: Granum
Identify structure D: Thylakoid