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Review the relationship between relative amounts of light absorption and rates of
photosynthesis. Be able to interpret a light absorption graph and determine which color
light would result in the highest rate of photosynthesis. (powerpoint)
●
Know definitions and some examples of monomers and polymers
●
Gibbs free energy - go over the summary sheet. Be able to recognize different reactions
as exergonic or endergonic based on if they are catabolic or anabolic.
○ Endergonic reactions are coupled with exergonic reactions
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concentration gradient – with the gradient happens spontaneously. Against requires
energy and is not spontaneous
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4 macromolecules - know their building blocks, common examples of each
Nucleotides
Proteins
Carbohydrates
Lipids
●
Know the special characteristics of water and how hydrogen bonding and relative
electronegativities of H and O cause those properties.
In the mitochondria, hydrogen ions (protons) are pumped from the matrix to intermembrane
space.
In the chloroplast, hydrogen ions (protons) are pumped from the stroma to the intermembrane
space.
Review the cellular respiration quiz
Key
B
D
C
A
A
B
B
B
C
D
●
Compare and contrast photosynthesis and cellular respiration. For each of the main
parts (glycolysis, Krebs, etc) identify which part of the process is exergonic and which
part is endergonic
For instance:
Succinate ---> Oxaloacetate is coupled with NAD+ --> NADH and FAD ---> FADH2
Since NAD+ ---> NADH is catabolic and endergonic, succinate ---> oxaloacetate must be the
exergonic process that is coupled with the endergonic reaction.

Be able to explain how plants balance photosynthesis and respiration. Why would they
do photosynthesis? Why would they do cellular respiration? Given a graph of O2 or CO2
concentration over time, justify and explain the relative rates of photosynthesis and
cellular respiration

Explain what happens to carbon from the atmosphere (in the form of CO2) when the
plant undergoes photosynthesis and has plenty of immediate energy.