Which of the Following Statements Best Describes an Example of a Reaction

question 15

Multiple Choice

Which of the following statements best describes an example of a reaction that may be at chemical equilibrium in a cell?

• A) an exergonic reaction in which the free energy at equilibrium is higher than the energy content of the reaction at any point away from equilibrium
• B) an exergonic reaction in which the entropy change in the cell is precisely balanced by an opposite entropy change in the cell's surroundings
• C) a chemical reaction in which there is no change in the net concentrations of reactants or products at that time in the cell
• D) an endergonic reaction in an active metabolic pathway where the energy for that reaction is supplied only by heat from the environment

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Definitions:

Foramen Ovale

Structural feature of the fetal heart that allows for blood to move directly between the right and left atrium.

Right Atrium

The right upper chamber of the heart that receives deoxygenated blood from the body and pumps it into the right ventricle.

Homeotic Genes

Genes that control the development of anatomical structures in various organisms by regulating the pattern of body formation.

Morphogenesis

The biological process that causes an organism to develop its shape.