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Question 1

__________
● Catabolic with regards to the carbon input
● Chemical bond energy input
● Uses NADH/FADH2 as electron carriers
● Generates ATP for many processes in the cell
● Oxidation of electron carrier used to generate a proton gradient
● A proton gradient is coupled to ATP synthesis
● Outputs are CO2 and H2O
● Inputs are glucose and O2
● Electron transport chain coupled to proton pumping

Answer 1

Cellular respiration

Question 2

__________
● Anabolic with regards to the carbon input
● Light energy input
● Uses NADPH as an electron carrier
● Generates ATP for the Calvin cycle
● Oxidation of electron carrier used to reduce a carbon-containing molecule
● A proton gradient is coupled to ATP synthesis
● Inputs are CO2 and H2O
● Outputs are triose phosphate and O2
● Electron transport chain coupled to proton pumping

Answer 2

Photosynthesis

Question 3

In a favorable chemical reaction, the reactants have more free energy / less
free energy than products. In an unfavorable chemical reaction, the
reactants have more free energy / less free energy than products.

Answer 3

More free energy, less free energy

Question 4

In the model above, the energetically favorable / energetically unfavorable conversion of NAD+ to NADH is coupled to the energetically favorable / energetically unfavorable conversion of glucose to pyruvate. Therefore, glucose has less free energy / more free energy than pyruvate.

Answer 4

Energetically favorable, more free energy

Question 5

In the model above, the energetically favorable / energetically unfavorable conversion of NADH to NAD+ is coupled to the energetically favorable / energetically unfavorable conversion of pyruvate to lactic acid. Therefore, pyruvate has less free energy / more free energy than lactic

Answer 5

Energetically favorable, less free energy