Bioenergetics
Part I: Four-Square Model
Directions: Fill in the four sections of the model to describe the vocabulary word or phrase. Be sure
to write the definition in your own words.
Definition
Facts/Characteristics
Studying cellular respiration and
photosynthesis
Bioenergetics
Examples
Nonexamples
Definition
Facts/Characteristics
Releases energy from the chemical bonds of
the glucose molecule
Takes place in mitochondria
Examples
Cellular
Respiration
Nonexamples
1
Bioenergetics
Definition
Facts/Characteristics
Produces more ATP per molecule of glucose
than anaerobic respiration
Requires oxygen
Three pathways: glycolysis, citric acid (Krebs)
cycle, and the electron
transport chain
Aerobic
Examples
Cellular
Respiration
Nonexamples
Definition
Facts/Characteristics
When nitrate ions, sulfate ions, or other
molecules accept an electron
instead of oxygen
Examples
Anaerobic
Cellular
Respiration
Nonexamples
2
Bioenergetics
Definition
Facts/Characteristics
The reactants of photosynthesis are water,
light, and carbon dioxide
The products of photosynthesis are glucose
and oxygen
Takes place in chloroplasts
Photosynthesis
Examples
Nonexamples
3