Categorize each statement as describing the oxidative photosynthetic carbon cycle (C2 cycle, also called photorespiration), mitochondrial respiration, or both.

a. Involves an expensive side reaction of rubisco.
b. Consumes O2 and produces C02.
c. Electrons are passed to oxygen through a chain of carriers in the inner mitochondrial membrane.
d. Occurs in both plants and animals.
e. CO2 is produced from glyoxylate.
f. Provides most of the ATP required by the cell.
g. Involves enzymes in chloroplasts and peroxisomes.
h. CO2 is produced from 6-phosphogluconate dehydrogenase.