QQuestionBiology
QuestionBiology
"Where does photosynthesis occur in a leaf?
State which organelles carry out photosynthesis and which type or types of leaf cells have this organelle."
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Answer
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Step 1:: Photosynthesis is a process that occurs in the chloroplasts of plant cells.
Chloroplasts contain chlorophyll, a pigment that absorbs light energy used in photosynthesis.
Step 2:: In a leaf, photosynthesis primarily occurs in the palisade mesophyll cells, which are located in the upper layers of the leaf.
These cells contain numerous chloroplasts and are exposed to more sunlight.
Step 3:: The spongy mesophyll cells, located in the lower layers of the leaf, also contain chloroplasts and contribute to photosynthesis, but to a lesser extent than the palisade mesophyll cells.
Final Answer
Photosynthesis occurs in the chloroplasts of palisade mesophyll cells and, to a lesser extent, spongy mesophyll cells in a leaf.
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