Photosynthesis Flashcards

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1
Q

what is photosynthesis?

A
  • when plants use the simple molecules, carbon dioxide and water to make glucose and oxygen
  • this requires light energy which is absorbed by chlorophyll
  • it occurs in plants as well as some bacteria and protoctista
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2
Q

photosynthesis word equation?

A

carbon dioxide + water -> glucose + oxygen

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3
Q

photosynthesis symbol equation?

A

6CO2 + 6H2O -> C6H12O6 + 6O2

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4
Q

what does photosynthesis convert light energy into?

A

stored chemical energy - this can be used by the organism for respiration and for making other biological molecules

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5
Q

nitrates (NO3-) use by plant?

A

required to make amino acids (and so proteins) and nucleic acids (DNA and RNA)

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6
Q

nitrates (NO3-) deficiency symptoms?

A

stunted growth

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7
Q

magnesium (Mg) use by plant?

A

required to make chlorophyll

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8
Q

magnesium (Mg) deficiency symptom?

A

yellow leaves

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9
Q

phosphates (PO43-) use by plant?

A

required to make nucleic acids (RNA and DNA); part of cell membrane

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10
Q

phosphates (PO43-) deficiency symptoms?

A

poor root growth; purple younger leaves

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