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Which organelle is primarily responsible for photosynthesis in plant and algal cells?
A
Mitochondrion
B
Rough endoplasmic reticulum
C
Golgi apparatus
D
Chloroplast
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1
Identify the process in question: photosynthesis, which is the conversion of light energy into chemical energy in plants and algae.
Recall that photosynthesis occurs in a specific organelle that contains pigments like chlorophyll to capture light energy.
Understand that mitochondria are involved in cellular respiration, not photosynthesis, so they can be excluded.
Recognize that the rough endoplasmic reticulum and Golgi apparatus are involved in protein synthesis and processing, not photosynthesis.
Conclude that the chloroplast is the organelle responsible for photosynthesis because it contains the necessary pigments and machinery to convert light energy into chemical energy.