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CHM 140

Ch 27

catabolism the biochemical pathways that are involved in generating energy by breaking down large nutrient molecules into smaller molecules with the concurrent production of energ
anabolism pathways by which biomolecules are synthesized-usually requires energ
What is the main function of the mitochondria Responsible for generation of most of the energy for cells
What is the main function of ribosomes? Protein Synehtsis
What is the function of lyosomes? Contain powerful enzymes which remove and digest damaged cellular components and some unwanted foreign materials as well as assist in digestion of food
Where in the mitochondria does the citric acid cycle take place? matrix
Where in the mitochondrion does oxidative phosphorylation take place? inner membrane
What are the 3 components of ATP? adenine (nitrogen base) sugar (ribose) 3 phosphate groups
What is the function of NAD+/NADH and FAD/FADH2 in the citric acid cycle and oxidative phosphorylation? Electron pair and hydrogen ion collectors and transporter
When food nutrients are broken down, almost all enter the citric acid cycle as what compound Acetyl CoA
Write the net equation of the citric acid cycle? CH3C=OSCoA+GDP+Pi+3NAD+ +FAD+3H20---*2Co2+CoA+1GTP+3NADH+1FADH2+3H+
Each NADH formed in the citric acid cycle yields how many ATPs in oxidative phosphorylation? 3
Each FADH2 formed in the citric acid cycle yields how many ATPs in oxidative phosphorylation? 2
Each turn of the citric acid cycle yields how many total ATPs? 12
Write the net equation for oxidative phosphorylation? O2+4H+ +4E`----*2H2O+ENERGY
Chemisosmotic Theory a) pH gradient across inner mitochondrial membrane takes place after Ereleas b) higher concentration H+ outside matrix c) Proton gradient gives driving force to proton translocating ATPase d) PTA uses influx of H+ ions to synthesize ATP from ADP and Pi
Created by: fallsummerspring