Refer to the figure below, summarizing how macromolecules are formed and broken down. 
Identify the two types of reactions (reaction 1 and reaction 2), and describe how one requires energy and how the other releases energy.
Definitions:
Revealed Preferred
A concept in consumer choice theory that preferences can be determined by observing consumer choices under different constraints.
Violates WARP
Refers to a situation where an individual's choice behavior contradicts the Weak Axiom of Revealed Preferences, suggesting inconsistency in their preferences.
Bundle
A combination of goods or services that are sold or consumed together.
Revealed Preferred
Another term for revealed preference, emphasizing the process of deducing preferences by observing actual choices under constraints.
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Q21: Refer to the figure below. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5650/.jpg"
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Q111: Which is a plausible explanation for the
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