Bioenergetics: Energy Conversion in the Body

Biology

Bioenergetics explores how the body converts food into energy through metabolism, catabolism, and anabolism. It delves into the roles of mitochondria, ATP, and key metabolic pathways like the citric acid cycle and oxidative phosphorylation.

Metabolism Energy Biochemistry

12 Questions Medium Ages 16+ Nov 25, 2025

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About this Study Set

This study set covers Biology through 12 practice questions. Bioenergetics explores how the body converts food into energy through metabolism, catabolism, and anabolism. It delves into the roles of mitochondria, ATP, and key metabolic pathways like the citric acid cycle and oxidative phosphorylation. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 12 questions from the Bioenergetics: Energy Conversion in the Body study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is metabolism defined as?

A The breakdown of molecules
B The synthesis of complex compounds
C The sum of all chemical reactions maintaining a cell's dynamic state
D The process of energy storage

2 Which process involves breaking down molecules to supply energy?

A Anabolism
B Catabolism
C Photosynthesis
D Glycolysis

3 What is the primary function of mitochondria?

A Protein synthesis
B DNA replication
C Energy production through the common catabolic pathway
D Waste removal

4 What are the two main components of the common catabolic pathway?

A Glycolysis and fermentation
B Citric acid cycle and oxidative phosphorylation
C Photosynthesis and respiration
D Digestion and absorption

5 Which molecule is the primary agent for energy storage and phosphate group transfer in cells?

A DNA
B RNA
C ATP
D Protein

6 What is the function of NAD+ and FAD in biological oxidation-reduction reactions?

A Storage of glucose
B Transfer of electrons
C Structural support
D Enzyme inhibition

7 What molecule transports acetyl groups in the common catabolic pathway?

A Glucose
B Coenzyme A (CoA)
C Amino acid
D Fatty acid

8 What is the starting molecule that combines with Acetyl CoA to start the citric acid cycle?

A Citrate
B Oxaloacetate
C Isocitrate
D Succinate

9 What is the final product of the electron transport chain?

A Carbon dioxide
B ATP
C Water
D Glucose

10 How many ATP molecules are produced per C2 fragment that enters the citric acid cycle?

A 2
B 6
C 12
D 36

11 What type of energy is used to maintain the concentration gradient of K+ and Na+ ions across cell membranes?

A Mechanical Energy
B Heat Energy
C Electrical Energy
D Chemical Energy

12 Which cellular component removes damaged cellular components?

A Mitochondria
B Lysosomes
C Golgi bodies
D Nucleus

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