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Biology 1406 Test #3
| Question | Answer |
|---|---|
| Organisms that build organic molecules from inorganic compounds | autotrophs |
| organisms that obtain organic molecules by eating other organisms or their by-products | heterotrophs |
| making of atp by using energy from H+ gradient - includes chemiosmosis and oxidative phosphorylation | chemiosmosis |
| series of enzymatically catalyzed reactions ex. cellular respiration | biochemical pathways |
| reactions not requiring oxygen | anaerobic |
| reactions requiring oxygen | aerobic |
| protein complex in the christae, makes atp from adp and pi | atp synthase |
| occurs by all organisms in the mitochondria - energy comes from food indirectly making ATP | oxidative phosphorylation |
| nadh produce how many atp | 3 |
| fadh2 produce how many atp | 2 |
| is more energy made through substrate level or chemiosmosis | chemiosmosis |
| what is the balanced equation for cellular respiration | c6h12o6 ----> 6co2+6h2o+36atp |
| which phosphorylation includes photophosphorylation and oxidative phos? | chemiosmosis |
| phosphorylated substrate will catabolize to release the phosphate | substrate level phos |
| where does glycolysis take place | cytosol |
| where does oxidation of pyruvate take place | mitochondria |
| where does krebs cycle take place | mitochondria |
| where does oxidative phos take place | mitochondria |
| what is the reactant and product for glycolysis | glucose: pyruvate, ATP and NADH |
| what is the reactant and product for oxidation of pyruvate | pyruvate: co2, NADH, acetyl |
| what is the reactant and product for citric acid cycle | acetyl: NADH, FADH2, ATP and CO2 |
| if a reaction is aerobic where does it occur? | mitochondria |
| how does oxidative phosphorylation take place? | collects products of other stages and converts to ADP |
| which cycle produces the most ATP? | Citric acid cycle |
| How many gross and net ATPs are produced by total oxidation of one mole of glucose? | 38 and 36 |
| how many atp will one mole of glucose yield in cellular respiration | 36 |
| how many kcal will one mole of glucose yield in cellular respiration | -263kcal. 36*-7.3 |
| how many atp will one mole of glucose yield in fermentation | 2 |
| how many kcal will one mole of glucose yield in cellular respiration | -14.6 kcal. 2*-7.3 |
| how efficient is cellular respiration | 38% |
| how efficient is fermentation | 2% |
| how efficient are cars | 25% |
| 2 types of fermentation | alcoholic and lactic acid |
| biochemical pathway of lactic acid fermentation | glucose->2 lactates->2 atp |
| biochemical pathway of alcoholic fermentation | glucose->2 ethanol and 2 co2->2 atp |
| which type of cells use lactic acid fermentation | muscle cells |
| which type of cells use alcoholic fermentation | yeast |
| the hydrolysis of one atp to adp + phosphate will yield how many kcal | -7.3 |
| the hydrolysis of one adp to atp + phosphate will require how many kcal | 7.3 |
| the inner folded membrane is where what takes place | oxidative phosphorylation |
| what is produced in the matrix | co2 |
| why dont you oxidize every molecule of food that is ingested | some are to provide raw materials for others |
| in cellular respiration what is the final electron acceptor in the etc and what is formed? | oxygen and water |
| balanced equation for photosynthesis | 6co2+12h2o+light ----> c6h12o6+6o2+6h2o |
| an organism, obtaining energy from sunlight as its source of energy to convert inorganic materials into organic materials for use in cellular functions | photoautotrophs |
| pigment disorder, cannot repair uv damage | Xeroderma pigmentosum |
| range of all possible frequencies of radiation | electromagnetic spectrum |
| particle of light | photon |
| shorter wavelengths = | higher energy |
| longer wavelenths= | lower energy |
| what color do carotenes not absorb | orange |
| what color do xanthophylls not absorb | yellow |
| what color do chlorophyll as not absorb | blue green |
| what color do chlorophyll bs not absorb | green yellow |
| are light reactions endergonic or exergonic | exergonic |
| are dark reactions exergonic or endergonic | endergonic |
| dark reactions are called | calvin cycle |
| reactants and products of light reactions | o2; nadph and atp |
| reactants and products of dark reactions | co2; sugar, water, nadp+ and adp |
| where do light reactions take place | stroma |
| where do dark reactions take place | thylakoid membrane |
| clusters of a few hundred pigment molecules | photosystems |
| what is difference between ps1 and ps2 | protein around photosystem |
| ps1 absorbs light best at | 700nm |
| ps2 absorbs light best at | 680nm |
| in photosynthesis, what is the final electron acceptor and what is formed | nadp+ forms nadph |
| where does nadph get electrons from | ps1 |
| where does photosystem 1 get electrons from | ps2 |
| where does photosystem 2 get electrons from | water |
Created by:
hannah317
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