Ch 27
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| 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
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| anabolism | pathways by which biomolecules are synthesized-usually requires energ
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| What is the main function of the mitochondria | Responsible for generation of most of the energy for cells
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| What is the main function of ribosomes? | Protein Synehtsis
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| 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
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| Where in the mitochondria does the citric acid cycle take place? | matrix
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| Where in the mitochondrion does oxidative phosphorylation take place? | inner membrane
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| What are the 3 components of ATP? | adenine (nitrogen base)
sugar (ribose)
3 phosphate groups
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| 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
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| When food nutrients are broken down, almost all enter the citric acid cycle as what compound | Acetyl CoA
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| Write the net equation of the citric acid cycle? | CH3C=OSCoA+GDP+Pi+3NAD+ +FAD+3H20---*2Co2+CoA+1GTP+3NADH+1FADH2+3H+
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| Each NADH formed in the citric acid cycle yields how many ATPs in oxidative phosphorylation? | 3
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| Each FADH2 formed in the citric acid cycle yields how many ATPs in oxidative phosphorylation? | 2
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| Each turn of the citric acid cycle yields how many total ATPs? | 12
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| Write the net equation for oxidative phosphorylation? | O2+4H+ +4E`----*2H2O+ENERGY
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| 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
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