Bioenergetics Quiz

What is bioenergetics primarily concerned with?

• Energy flow through living systems

• Chemical bond formation

• Cellular structure

• Genetic information

What is the main energy currency for organisms?

• NADH

• Glucose

• FADH2

• Adenosine triphosphate (ATP)

Which process do autotrophs use to acquire energy?

• Glycolysis

• Fermentation

• Photosynthesis

• Cellular respiration

What do heterotrophs require to sustain energy?

• Sunlight

• Minerals

• Carbon dioxide

• Organic compounds

What type of reaction is characterized by the release of energy?

• Endergonic reaction

• Exergonic reaction

• Catabolic reaction

• Anabolic reaction

What is the process of breaking down glucose into pyruvate called?

• Oxidative phosphorylation

• Citric acid cycle

• Gluconeogenesis

• Glycolysis

What happens during oxidative phosphorylation?

• ATP is synthesized from glucose

• Electrons are transferred in the electron transport chain

• Nutrients are oxidized anaerobically

• Chemical bonds are formed

What is the role of NADH in cellular respiration?

• To produce ATP directly

• To break down fatty acids

• To synthesize glucose

• To donate electrons to the electron transport chain

What is the primary fuel source during ketosis?

• Glucose

• Amino acids

• Ketone bodies

• Fatty acids

What is the main outcome of the citric acid cycle?

• Synthesis of ATP

• Formation of pyruvate

• Production of glucose

• Oxidation of metabolites