Plant Structure
Which of the following statements about the outer mitochondrial membrane is not true?

The outer membrane is impermeable to hydrogen ions
The outer membrane is highly permeable to substances of small molecular weight
The outer membrane contains porins
The outer membrane is about 50% lipid and 50% protein by weight

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Plant Structure
Which is not true about a photon?

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

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