Which statement best describes the events that take place within the
mitochondrial membrane?
o
a. kinetic energy is produced by pyruvate.
o
b. the electron transport chain produces atp.
o
o
c. the krebs cycle breaks down glucose.
d. electrons gain energy as they move.

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.