BIO UNIT 4 Exam Bullet Points

Why is only a small proportion of light energy converted into chemical energy in PH's?

Energy Losses due to radiaion, evaporation and transpiration in photosynthesis and the energy could be the wrong wavelength for adsorbtion.

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Why is only a small percentage of light energy converted into chemical energy in PH's?

Wrong wavelength, reflected, misses chloroplasts, energy loss in PH's, not enough cholorphyll etc.

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What is the function of reduced NADP in the calvin cycle?

To add H+ to GP, so that it becomes reduced. and to supply enegry for phosphorylation (energy production)

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Where do the light dependant reactions in PH's take place?

Thykaloids (internal memebranes)

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What happens when cholorophyll adsorbs photons of light.?

The electrons become excited in the cholorphyll,, photolysis occurs and electrons are released.

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3 Produces of the light dependant reaction.

*Oxygen, *ATP *NADPH

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3 Ways in which an organism uses ATP.

Active transport, cell repair/division, protein synthesis, Phagosytosis.. energy etc. (Choose 3)

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Other cards in this set

Why is only a small percentage of light energy converted into chemical energy in PH's?

Wrong wavelength, reflected, misses chloroplasts, energy loss in PH's, not enough cholorphyll etc.

What is the function of reduced NADP in the calvin cycle?

Where do the light dependant reactions in PH's take place?

What happens when cholorophyll adsorbs photons of light.?

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