17 Questions
According to the first law of thermodynamics, what can be said about the energy of the universe?
It remains constant and cannot be created or destroyed
In an open system, what can be transferred between the system and its surroundings?
Both energy and matter
What does the second law of thermodynamics state about every energy transfer or transformation?
Some energy is lost as heat
What is the study of energy transformations known as?
Thermodynamics
What do living cells unavoidably convert organized forms of energy into?
Heat
What form does energy flow into an ecosystem and exit from it?
Light and heat energy
What does the evolution of more complex organisms not violate according to Figure 8.4?
The second law of thermodynamics
What is the totality of an organism's chemical reactions?
Metabolic pathway
Which pathway releases energy by breaking down complex molecules into simpler compounds?
Catabolic pathway
What is the breakdown of glucose in the presence of oxygen an example of?
Catabolic pathway
Which form of energy is associated with motion?
Kinetic energy
What is the study of how organisms manage their energy resources called?
Bioenergetics
Which type of reaction consumes energy to build complex molecules from simpler ones?
Anabolic pathway
What is the potential energy available for release in a chemical reaction called?
Chemical energy
In which pathway does the synthesis of protein from amino acids occur?
Anabolic pathway
What is energy that matter possesses because of its location or structure called?
Potential energy
Which type of reaction transforms matter and energy, subject to the laws of thermodynamics?
Bioenergetics
Test your understanding of the overview of metabolism, including the energy transformations and chemical reactions that occur in living cells. This quiz covers the basic concepts and principles of metabolism as an emergent property of life.
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