Multiple Choice
Which organelle is the primary site of photosynthesis in plant and algal cells?
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12. Photosynthesis
Chloroplast
Multiple Choice
In plant and algal cells, what is the primary role of the chloroplast?
A
Carry out photosynthesis by converting light energy into chemical energy stored in sugars
B
Break down macromolecules and damaged organelles using hydrolytic enzymes
C
Generate ATP primarily through oxidative phosphorylation on the inner mitochondrial membrane
D
Synthesize and package proteins for secretion via the endomembrane system
Verified step by step guidance1
Identify the organelle mentioned in the problem: the chloroplast, which is found in plant and algal cells.
Recall the main function of chloroplasts: they contain the pigment chlorophyll and are the site where photosynthesis occurs.
Understand photosynthesis as the process by which light energy is converted into chemical energy, specifically stored in sugar molecules like glucose.
Differentiate the chloroplast's role from other organelles: for example, lysosomes break down macromolecules, mitochondria generate ATP through oxidative phosphorylation, and the endomembrane system is involved in protein synthesis and secretion.
Conclude that the primary role of the chloroplast is to carry out photosynthesis by converting light energy into chemical energy stored in sugars.
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