Aerobic Respiration Flashcards
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5216335509 | any cells that can use oxygen | which cells use aerobic respiration? | 0 | |
5216335510 | C6H12O6 + 6O2 -> 6CO2 +6H2O | what is the overall equation for aerobic respiration? | 1 | |
5216335511 | direct oxidation of glucose has a high energy of activation and is therefore not as efficient | why are there multiple steps to aerobic respiration? | 2 | |
5216335512 | a step wise process of a series of reactions each releasing a small amount of energy and have small energies of activation | how does the aerobic respiration get around having a high energy of activation? | 3 | |
5216335513 | glycolysis, synthesis of acetyl Coa, Krebs cycle, electron transport chain | what are the four steps in aerobic respiration? | 4 | |
5216335514 | cytosol | where does glycolysis take place? | 5 | |
5216335515 | 1 molecule of glucose | what are the starting molecules in glycolysis? | 6 | |
5216335516 | 6 | how many carbons are present at the start of glycolysis? | 7 | |
5216335517 | 2 pyruvate molecules | what are the ending molecules of glycolysis? | 8 | |
5216335518 | 6 (3/pyruvate) | how many carbons are present at the end of glycolysis? | 9 | |
5216335519 | 2 ATPs | what is the energy input in glycolysis? | 10 | |
5216335520 | 4 ATPs and 2 NADH | what is the energy output in glycolysis? | 11 | |
5216335521 | 4 | what is the net yield of glycolysis? | 12 | |
5216335522 | kinase, isomerase, dehydrogenase | what types of enzymes are used in glycolysis? | 13 | |
5216335523 | matrix of mitochondria | where does synthesis of Acetyl CoA take place? | 14 | |
5216335524 | 2 pyruvates | what are the starting molecules in the synthesis of Acetyl CoA? | 15 | |
5216335525 | 6 (3/pyruvate) | how many carbon atoms are present at the start of Acetyl CoA Synthesis? | 16 | |
5216335526 | 2 acetyl CoA and 2 CO2 | what are the ending molecule in the synthesis of Acetyl CoA? | 17 | |
5216335527 | 6 (2/ CoA and 1/ CO2) | how many carbon atoms are present at the end of Acetyl CoA synthesis? | 18 | |
5216335528 | none | what is the energy input for Acetyl CoA synthesis? | 19 | |
5216335529 | 2 NADH | what is the energy output for Acetyl CoA synthesis? | 20 | |
5216335530 | 2 NADH | what is the net yield of Acetyl CoA synthesis? | 21 | |
5216335531 | pyruvate dehydrogenase complex | what types of enzymes are present in Acetyl CoA synthesis? | 22 | |
5216335532 | matrix of the mitochondria | where doe the Krebs cycle take place? | 23 | |
5216335533 | 2 acetyl CoA and 2 oxaloacetate | what are the starting molecules in the krebs cycle? | 24 | |
5216335534 | 12 (2/CoA and 4/oxaloacetate) | how many carbons are present in the beginning of the krebs cycle? | 25 | |
5216335535 | none | what is the energy input of the krebs cycle? | 26 | |
5216335536 | 6 NADH, 2 ATP, 2 FADH, 4 CO2 | what is the energy output of the Krebs cycle? | 27 | |
5216335537 | 10 | what is the net energy yield of the krebs cycle? | 28 | |
5216335538 | citrate synthase and decarboxylase | what are the enzymes involved in the krebs cycle? | 29 | |
5216335539 | yes | is the krebs cycle oxygen dependent? | 30 | |
5216335540 | inner membrane of mitochondria | where does electron transport chain take place? | 31 | |
5216335541 | the cristae increase the surface are and thus ATP produced | why are the cristae important to aerobic respiration? | 32 | |
5216335542 | 30 ATP | what is the net energy yield of the electron transport chain? | 33 | |
5216335543 | oxidase, dehydrogenase, synthase | what are the enzymes involved in electron transport chain? | 34 | |
5216335544 | yes | is electron transport chain oxygen dependent? | 35 | |
5216335545 | electron transport chain structure | ![]() | 36 | |
5216335546 | complexes I, III, and IV pump hydrogen ions across the inner mitochondrial membrane to generate the electrochemical gradient | how does the electron transport chain work? | 37 | |
5216335547 | changes in protein conformation and energy input from electron transfer moves protons against their gradient | how do protons move against their gradient? | 38 | |
5216335548 | they return to the mitchondrial matrix through ATP synthase | what happens to the protons after they are pumped into the membrane? | 39 | |
5216335549 | 10 protons | how many protons are pumped across the membrane for one NADH? | 40 | |
5216335550 | ATP synthase make use of the proton potential created by the action of the electron transport chain. It transports a proton down the gradient and uses the energy to complete the phosphorylation of ADP to ATP | what is ATP synthase important? | 41 | |
5216335551 | NADH | what is the electron donor for electron transport chain? | 42 | |
5216335552 | O2 | what is the electron acceptor for electron transport chain? | 43 | |
5216335553 | 3 ATP | how many ATP does 1 NADH make? | 44 | |
5216335554 | 2 ATP | how many ATP does 1 FADH make? | 45 | |
5216335555 | a type of enzyme that transfers phosphate groups from high energy donor molecules to specific substrates (aka phosphorylation) | what is a kinase? | 46 | |
5216335556 | convert a molecule from one isomer to the other | what is an isomerase? | 47 | |
5216335557 | oxidizes a substrate by a reduction reaction that transfers one or more hydrides to an electron acceptor, usually NAD/NADP or FAD | what is a dehydrogenase? | 48 | |
5216335558 | catalyzes the decarboxylation (removal of carboxyl group and releases CO2) of a particular organic molecule | what is a decarboxylase? | 49 | |
5216335559 | cytoplasm | where does glycolysis, Acetyl CoA synthesis and krebs take place in prokaryote? | 50 | |
5216335560 | plasma membrane | where does electron transport take place in prokaryotes? | 51 | |
5216335561 | 2 from glycolysis and 2 from krebs | how much ATP is made by substrate phosphorylation? | 52 | |
5216335562 | 26-28 ATP | how much ATP is made by oxidative phosphorylation? | 53 | |
5216335563 | synthesis of ATP by ATP synthase is coupled to the transfer of electrons down the ETC that powers the H pumps to establish a proton gradient | what is the chemiosmosis model? | 54 | |
5216335564 | without it no pumping of protons and lose proton gradient | why is electron flow essential to ATP synthesis? | 55 | |
5216335565 | reduce the amount of ATP synthesized by reducing the proton gradient | how do uncoupling proteins affect ATP synthesis? | 56 | |
5216335566 | NADH cant cross the mitochondrial membranes so electrons from NADH made during glycolysis are passed into the mitochondrial matrix using an electron shuttle system | why is it an electron chain instead of an NADH chain? | 57 | |
5216335567 | 1. voltage gradient drives ADP-ATP exchange 2. pH gradient drives pyruvate import 3. pH gradient drives phosphate import | what are 3 other things that the electrochemical proton gradient drives? | 58 | |
5216335568 | its a dehydrogenase enzyme that produces 3 ATPs because it gives up its electron at a higher energy level (complex I) so more protons are pumped and able to power ATP synthase | why does NADH only produce 3 ATPs? | 59 | |
5216335569 | gives up its electron at Complex II so produces 2 ATP | why does FADH produce 2 ATPs? | 60 | |
5216335570 | A. generation of oxygen radicals ( superoxide radical, hydroxyl radical) B. highly reactive-strong oxidants (remove electrons from other molecules) C. inactivated by antioxidants (vitamins C and E, )beta carotene | what are some dangers of electron transport chain? | 61 |