A thylakoid is a stack of chlorophyll that provides the chloroplasts with increased surface area (Option C).
A chloroplast is an organelle used by plant cells to generate carbohydrates by means of photosynthesis.
The chloroplasts contain thylakoid sacs composed of chlorophyll whose function is to capt sunlight.
In conclusion, a thylakoid contain chlorophyll for the chloroplasts (Option C).
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