Hummingbirds Break Down Glucose and Other Food Molecules During Cellular

Multiple Choice

Hummingbirds break down glucose and other food molecules during cellular respiration. The carbon atoms in these organic molecules are released as ____________during the _____________.

A) glucose, Krebs cycle
B) methane, Krebs cycle
C) carbon dioxide, electron transport chain.
D) carbon dioxide, Krebs cycle
E) carbon dioxide, glycolysis