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
Cellular metabolism is an example of

equilibrium metabolism
a series of reactions that defy the second law of thermodynamics
a series of reactions occurring under standard conditions
steady-state metabolism

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Plant Structure
Any system that is not at equilibrium

is kinetically unstable, although it may be thermodynamically stable
is rushing toward equilibrium at a very rapid rate
requires an enzyme to reach equilibrium
is thermodynamically unstable, although it may be kinetically stable

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Plant Structure
Which of the following observations is not used as evidence to support the concept of endosymbiotic origin of chloroplasts and mitochondria?

Both strongly resemble prokaryotes, especially in size
Both can live and function independently of the cell
Both have their own ribosomes
Both have their own DNA

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