It's C! It changes as new evidence is found.
Answer:
Your answer is A.They contain chloroplasts both in the mesophyll and bundle sheath cells.
Explanation:
C4 plants have two types of photosynthetic cells: mesophyll and bundle sheath cells. Mesophyll chloroplasts are randomly distributed along cell walls, whereas bundle sheath chloroplasts are located close to the vascular tissues or mesophyll cells depending on the plant species. The cell-specific C4 chloroplast arrangement is established during cell maturation, and is maintained throughout the life of the cell.
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I believe it is gene sex chromosones...
True.
Without the sun there would be no life on earth.
