photosynthesis on an organismal scale

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botany, dr. kohnen

Last updated 6:47 PM on 9/23/26
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10 Terms

1
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PAR

  • photosynthetically active radiation

  • only small percentage of incident light is useful for photosynthesis


2
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400-700 nm

approximate range of useful wavelength

3
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sun leaf

  • develops under high light conditions

  • thick, multiple palisade layers


4
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shade leaf

  • develops in shade

  • thin, more chlorophyll


5
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epidermis

  • cells are clear, have no chloroplasts to let light pass through

  • lens-shaped


<ul><li><p>cells are clear, have no chloroplasts to let light pass through</p></li><li><p>lens-shaped</p></li></ul><p></p>
6
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palisade layer

can be multiple of these

<p>can be multiple of these</p>
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spongy later

irregular cell surfaces

<p>irregular cell surfaces</p>
8
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paraheliotropic

bending away from the sun

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diaheliotropic

bending toward the sun to receive the most light

10
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light passing through vacuoles

passes through into lower cells by bouncing off its sides