8.1 Multiple Choice Flashcards
Which term most precisely describes the cellular process of breaking down large molecules into smaller ones?
Catabolism
Which of the following is true for anabolic pathways?
They consume energy to build up polymers from monomers
Which of the following is a statement of the first law of thermodynamics?
Energy cannot be created or destroyed
For living organisms, which of the following is an important consequence of the first law of thermodynamics?
The organism ultimately must obtain all of the necessary energy for life from its environment
Living organisms increase in complexity as they grow, resulting in a decrease in the entropy of an organism. How does this relate to the second law of thermodynamics?
As a consequence of growing, organisms create more disorder in their environment than the decrease in entropy associated with their growth
Whenever energy is transformed, there is always an increase in the
Entropy of the universe
Which of the following statements is a logical consequence of the second law of thermodynamics?
Every chemical reaction must increase the total entropy of the universe
Which of the following statements is representative of the second law of thermodynamics?
Cells require a constant input of energy to maintain their high level of organization
Which of the following types of reactions would decrease the entropy within a cell?
Dehydration reactions
The organization of organisms has become increasingly complex with time. This statement
Is consistent with the second law of thermodynamics
Which of the following is an example of potential rather than kinetic energy
A food molecule made up of energy rich macromolecules
Which of the following is considered an open system
An organism
