Plant Structure
Which is not true about a photon?

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

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

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Plant Structure
Which of the following statements about mitochondrial proteins is true?

All mitochondrial proteins are coded for and synthesized in the mitochondria
Some mitochondrial proteins are coded for and synthesized in the mitochondria and others
All mitochondrial proteins are imported from the cytoplasm
Mitochondrial proteins arise from other mitochondrial proteins

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