Multiple Choice
How do animals primarily store energy for later use?
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7. Energy and Metabolism
Introduction to Metabolism
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Which of the following statements correctly describes metabolic pathways?
A
Metabolic pathways are isolated reactions that do not interact with each other.
B
Metabolic pathways only involve the breakdown of molecules.
C
Metabolic pathways are not influenced by enzymes.
D
Metabolic pathways are a series of chemical reactions occurring within a cell.
Verified step by step guidance1
Begin by understanding the concept of metabolic pathways. Metabolic pathways are sequences of chemical reactions that occur within a cell, where each step is facilitated by a specific enzyme.
Recognize that metabolic pathways are interconnected. They often share intermediates and products, allowing for complex interactions and regulation within the cell.
Identify the two main types of metabolic pathways: catabolic pathways, which involve the breakdown of molecules to release energy, and anabolic pathways, which involve the synthesis of complex molecules from simpler ones.
Understand the role of enzymes in metabolic pathways. Enzymes act as catalysts to speed up reactions and ensure that they occur efficiently and in a regulated manner.
Conclude that metabolic pathways are not isolated, they involve both the breakdown and synthesis of molecules, and are heavily influenced by enzymes, making them integral to cellular function.
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