Bioenergetics Quiz

What is the primary function of anabolic pathways in metabolism?

• Breakdown of larger molecules

• Synthesis of larger compounds

• Production of energy

• Transport of electrons

Which stage of catabolism involves the digestion of large organic molecules into smaller components?

• Stage 4

• Stage 3

• Stage 2

• Stage 1

Where are the components of the Electron Transport Chain (ETC) located?

• Outer mitochondrial membrane

• Cytoplasm

• Inner mitochondrial membrane

• Nucleus

What is the main function of the ETC in bioenergetics?

• Breaking down proteins

• Generating ATP

• Producing carbohydrates

• Synthesizing lipids

What is the P:O Ratio in the respiratory chain?

• 2.5:1

• 4:1

• 1:1

• 3:1

What is the process of coupling oxidation with phosphorylation to synthesize ATP known as?

• Glycolysis

• Fermentation

• Oxidative Phosphorylation

• Krebs Cycle

Which compound dissociates oxidation from phosphorylation in the ETC?

• 2,4-dinitrophenol

• Calcium ions

• Thyroxin

• Thermogenin

Where are all the enzymes of the Tricarboxylic Acid Cycle (TCA Cycle) located?

• Nucleus

• Cytoplasm

• Endoplasmic reticulum

• Mitochondria

What is the final common metabolic pathway for the complete oxidation of acetyl-CoA?

• Glycolysis

• Fatty Acid Synthesis

• Gluconeogenesis

• TCA Cycle

What inhibits the TCA cycle when the cell has sufficient energy production?

• High ATP levels

• High citrate levels

• Low acetyl CoA levels

• Low ADP levels