12 Questions
What is the main purpose of catabolic reactions in metabolism?
To break down large, complex molecules to provide energy and smaller molecules
Which stage of catabolism involves the oxidation of small molecules to produce ATP energy?
Stage 3: Oxidation
Where do metabolic reactions occur in eukaryotic cells?
Mitochondrion
What is the function of lysosomes in a cell?
Contain hydrolytic enzymes for digesting old cell structures
Which component of a cell separates the cell's contents from the external environment?
Cell membrane
What is the main function of the nucleus in a cell?
DNA replication and protein synthesis
What is the main function of ATP in biological systems?
Facilitating energy transfer within cells
Which component is NOT part of the ATP molecule?
Pyruvate
What happens to pyruvate under anaerobic conditions?
It is reduced to lactate
Which process occurs when excess glucose needs to be stored in the body?
Glycogen synthesis
What is the primary function of Coenzyme A (CoA) in metabolic pathways?
Carrying acyl groups for further metabolism
When does gluconeogenesis tend to be more active?
During a low-carbohydrate diet
Learn about metabolism involving catabolic reactions that break down large molecules for energy, and anabolic reactions that use ATP to build larger molecules. Explore the stages of catabolism: digestion and hydrolysis, degradation, and oxidation.
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