Each of the following statements about chemoorganotrophs is true EXCEPT
Select one:
a. they may use photophosphorylation to produce ATP
bi they generally rely on the metabolic activities of photosynthetic organisms
c. they may use substrate-level phosphorylation to produce ATP
d, they obtain energy by degrading organic compounds
e. they may use oxidative phosphorylation to produce ATP
f. All of the options are true statements
g. None of the options are true statements