Plant Structure
Chemical energy is supplied to eukaryotic cells by

mitochondria and ribosomes
chloroplasts and golgi complexes
mitochondria and chloroplasts
mitochondria only

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Plant Structure
The mitochondria were known in the nineteenth century to be osmotically active on the basis of evidence that

mitochondria were derived from a symbiotic bacterium
the mitochondrial matrix is hypertonic to the cellular cytoplasm
mitochondria are surrounded by a semi permeable membrane
the mitochondrial matrix is hypotonic to the cellular cytoplasm

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