Metabolic Pathways Are Said to Operate in a Steady State

question 32

Multiple Choice

Metabolic pathways are said to operate in a steady state. Which process does NOT contribute to this?

• A) Most biological reactions are reversible under normal cellular conditions.
• B) Key reactions at the beginning and end of a pathway are often regulated synchronously.
• C) Catabolic pathways are active when cellular energy levels are low.
• D) Reversible reactions proceed to equilibrium.