1a.A photosynthetic organism that can use CO2 as a carbon source
and oxidizes H2S for energy is a
Chemoautotroph
Photoautotroph
Chemoheterotroph
Photoheterotroph
None of the above
1b.The cytoplasmic membrane is an important site of energy
production by many species.
True
False
1c.Which form of the molecule NAD+/NADH contains more energy?
NADH (reduced form)
NAD+ (oxidized form)