Quantitative study of energy relationships in biological systems obeys:
Correct answer: B. Laws of thermodynamics
- A. Bioenergetics
- B. Laws of thermodynamics
- C. Laws of thermochemistry
- D. Laws of chemical energetics
Explanation
The correct answer is the laws of thermodynamics. These laws provide the essential framework for understanding how energy is conserved and transformed in all systems, including biological ones. Although bioenergetics is relevant to energy flow in living organisms, it does not govern energy transformations. Thermochemistry is limited to heat changes in chemical reactions, and laws of chemical energetics is not a recognized term. Thus, the laws of thermodynamics are the appropriate principles that apply universally.
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About Bioenergetics
Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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