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5 Cards in this Set

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  • Back
A1. Explain the relationship between producers (autotrophs) and consumers (heterotrophs)
Producers (autotrophs): convert solar energy to chemical energy.

Consumers (heterotrophs): live off of chemical energy.
A2. Explain the relationship between photosynthesis and cellular respiration
Products of cellular respiration are reactants in photosynthesis!

Products of photosynthesis are reactants in cellular respiration!
A3. Provide the formulas for cellular respiration and photosynthesis
Photosynthesis = 6CO2 + 12H2O + light --> C6H12O6 + 6H2O + 6O2

Cell.Resp. = C6H12O6 + 6O2 --> 6CO2 + 6H2O + ATP
A4. Define oxidation and reduction. Explain what a redox reaction is, and for both photosynthesis and cellular respiration, state which molecules are reduced and which are oxidized.
Oxidation: Loss of an e-, delta charge is +1
Reduction: Gain of an e-, delta charge is -1

Often associated with gain/loss of H+ ion.

Redox rxn = One molecule is oxidized while other is reduced. (often due to xfer of H+ ion)

C.R.: Glucose is oxidized, O2 is reduced.
Ptsyn.: ? is oxidized, ? is reduced.
A5. In one sentence, what occurs during cellular respiration?
Glucose is repeatedly phosphorylated, broken down and E is released.