Biology-Molecular-MyTest-04

Which COMPETENCY was used to compose this question?

In biological systems, metabolism involves a series of chemical reactions where enzymes act as catalysts to facilitate energy transformations. According to the Second Law of Thermodynamics, these reactions are never 100% efficient, and some energy is always lost as heat, which increases the total __________ of the universe.

• nucleus
• cytoplasm
• ribosome
• mitochondria