Metabolism Flashcards
What is Metabolism
Highly integrated and regulated network of biochemical pathways that synthesizes everything our cells need as well as producing energy to power various cell functions
What is a metabolic pathway
a serial chemical transformation
What is the name of the chemical which is changed
Intermediate or metabolite
How is each step processed (what is needed)
each reaction is catalyzed by a different enzyme
What is Catabolsim
Takes Energy-yielding nutrients (carbs, fats, proteins) and turns them into energy-poor end products (CO2, H2O, NH3)
it also creates ATP (chemical energy)
What is Anabolism
Takes Precursor molecules (amino acids, glucose, fatty acis, nitrogenous bases) and turns them into complex molecules (polysaccharides, lipids, proteins, nucleic acids)
Consumes ATP to work
What are energy-yielding nutrients
Carbs, fats and proteins
What are energy-poor end products
CO2, H2O and NH3 (ammonia)
What are the precursor molecules
Amino acids, glucose, fatty acid and Nitrogenous bases
What are the complex molecules
Polysaccharids, lipids, proteins and nucleic acids
Common pattern Representing Catabolism Stage 1: Proteins
it is broken down into amino acids
Common pattern Representing Catabolism Stage 1: Carbohydrates
broken down into Monosaccharides (glucose)
Common pattern Representing Catabolism Stage 1: Triacylglycerols (fats)
broken down into Fatty acids + glycerol
Simple pattern Representing Catabolism Stage 2: amino acids
broken doesn into Pyruvate and acetyl CoA
Simple pattern Representing Catabolism Stage 2: Fatty acids + glycerol
Pyruvate and Acetyl CoA