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Leave per se do not photosynthesize but the organelles within the cells of the leaves (the chloroplasts) do.
In a cactus the leaves have been reduced to spines, to reduce the surface area from which water can be lost and to deter animals from eating the plant. As there are no leaves, photosynthesis must take place in the stem.
It is located in the stroma of a plant cell.
The organelles called the ribosomes.
chloroplasts located only on the upper surface of leaves
Chlorophyll in the chloroplast organelles.
Leave per se do not photosynthesize but the organelles within the cells of the leaves (the chloroplasts) do.
heterotrophs
They are chloroplasts.
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Ribosomes are found on the surface of the rough ER
In a cactus the leaves have been reduced to spines, to reduce the surface area from which water can be lost and to deter animals from eating the plant. As there are no leaves, photosynthesis must take place in the stem.
they are hair like organelles that extend from the surface of the cell.
It is located in the stroma of a plant cell.
Because that is their job and they have the organelles and structure to make food
The organelles called the ribosomes.
leaves have a big surface area because then they can absorb all the possible light energy they can for photosynthesis.