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

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
mitochondria were derived from a symbiotic bacterium

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Plant Structure
Which is not true about a photon?

It donates electron to reduce carbon dioxide to glucose
The shorter the wavelength, the greater the energy of the photons
It is a packet of light energy
It is trapped by photosynthetic unit

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