DQ 10-21

Which of the following sequences correctly describes cellular respiration?

• Link reaction $\rightarrow$ Krebs cycle $\rightarrow$ glycolysis $\rightarrow$ oxidative phosphorylation

• Krebs cycle $\rightarrow$ glycolysis $\rightarrow$ oxidative phosphorylation $\rightarrow$ link reaction

• Glycolysis $\rightarrow$ Krebs cycle $\rightarrow$ oxidative phosphorylation $\rightarrow$ link reaction

• Glycolysis $\rightarrow$ link reaction $\rightarrow$ Krebs cycle $\rightarrow$ oxidative phosphorylation

What is the term for metabolic pathways that release stored energy by breaking down complex molecules?

• anabolic pathways

• catabolic pathways

• fermentation pathways

• thermodynamic pathways

Where does glycolysis take place in eukaryotic cells?

• mitochondrial matrix

• mitochondrial outer membrane

• mitochondrial inner membrane

• cytosol

The ATP made during glycolysis is generated by

• substrate-level phosphorylation

• electron transport

• photophosphorylation

• chemiosmosis

Which process in eukaryotic cells will proceed normally whether oxygen (O2) is present or absent?

• electron transport

• glycolysis

• the citric acid cycle

• oxidative phosphorylation