Answer :
Final answer:
One true statement about metabolism is that catabolic pathways break down materials. These pathways involve the breakdown of complex molecules into simpler ones, releasing energy in the process.
Explanation:
Metabolism is the set of chemical reactions that occur within living organisms to maintain life. It involves the processes of breaking down complex molecules to release energy (catabolism) and building complex molecules from simpler ones (anabolism).
One true statement about metabolism is that catabolic pathways break down materials. These pathways involve the breakdown of complex molecules, such as carbohydrates, fats, and proteins, into simpler molecules, releasing energy in the process. This energy is then used by the organism for various cellular activities.
On the other hand, anabolic pathways involve the synthesis of complex molecules from simpler ones, requiring energy input. These pathways are responsible for building molecules like proteins, nucleic acids, and complex carbohydrates.
While metabolic systems can vary across species, there are certain fundamental processes that are conserved. For example, the process of glycolysis, which involves the breakdown of glucose, is found in both yeast and mammals. In both cases, the same set of seven enzymes is involved in processing glucose.
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