A Biological Reaction with a Significantly Postive Δ G Under

question 32

Multiple Choice

A biological reaction with a significantly postive Δ G under cellular conditions may proceed in the forward direction because

• A) The cell will change the concentrations of the substrates and products so that the reaction can occur
• B) The cell will raise the temperature, thereby affecting the overall thermodynamics of the reaction
• C) the reaction can be coupled to a reaction with a more significant negative Δ G
• D) reactions with positive Δ G values always proceed in the forward direction
• E) None of these

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Definitions:

Abdominal Aortic Aneurysm

A condition characterized by an enlargement or ballooning of the abdominal aorta, which can lead to rupture if not treated.

Cerebral Aneurysm

A bulging, weak area in the wall of an artery in the brain, which can lead to stroke if it ruptures.

Thoracic Aortic Aneurysm

An abnormal enlargement of the aorta within the chest that may cause life-threatening bleeding if ruptured.

Hypertension

A chronic medical condition where the blood pressure in the arteries is persistently elevated, leading to increased risk of heart disease, stroke, and other health issues.