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Organelles are structrues found in the cytoplasm of cells that carry out specific functions. Those functions include storing and breaking down food, storing DNA, producing proteins, and capturing the sun's energy through photosynthesis. Just like their name states, they act as little organs within each cell. The nucleus, mitochondria, and chloroplasts are the only organelles that contain DNA. The Endosymbiotic Theory explains why mitochondria and chloroplasts contain DNA.

Organelles are structrues found in the [[cytoplasm]] of [[cells]] that carry out specific functions. Those functions include storing and breaking down food, storing [[DNA]], producing [[proteins]], and capturing the sun's energy through [[photosynthesis]]. Just like their name states, they act as little organs within each cell. The [[nucleus]], [[mitochondria]], and [[chloroplasts]] are the only organelles that contain DNA. The [[Endosymbiotic Theory]] explains why mitochondria and chloroplasts contain DNA.