Cellular Respiration and Fermentation
7725867042 | fermentation | anaerobic process that produces little ATP, includes glycolysis, and restores NAD+ | ![]() | 0 |
7725867043 | aerobic respiration | catabolic pathway which requires oxygen and occurs in cytoplasm and mitochondria | 1 | |
7725867044 | anaerobic respiration | catabolic pathway which does not require oxygen and occurs only in cytoplasm | 2 | |
7725867045 | oxidation | loss of electrons from atoms of a substance | ![]() | 3 |
7725867046 | reduction | addition of electrons to atoms of a substance | ![]() | 4 |
7725867047 | reducing agent | electron donor in a redox reaction | ![]() | 5 |
7725867048 | oxidizing agent | electron acceptor in a redox reaction | ![]() | 6 |
7725867049 | NAD+ | electron carrier used in cellular respiration to transfer electrons from Kreb's cycle to ETC | ![]() | 7 |
7725867050 | electron transport chain (ETC) | (1) transfer of electrons from glucose via NADH/FADH2 to transmembrane proteins and subsequently using their high energy to pump protons to intermembrane space in mitochondria or thylakoid space in chloroplasts | ![]() | 8 |
7725867051 | citric acid (Kreb's) cycle | (B) 2nd step of cellular respiration that breaks down AcetylCoA to 2 carbon dioxide, 1 ATP, 3NADH, and 1 FADH2 molecules in mitochondrial matrix (aerobic) | ![]() | 9 |
7725867052 | glycolysis | (A) 1st step of cellular respiration that splits glucose into 2 molecules of pyruvic acid and 2 ATPs (anaerobic, catabolic/exergonic) | ![]() | 10 |
7725867053 | Pi (not π) | inorganic phosphate | ![]() | 11 |
7725867054 | oxidative phosphorylation | (3) synthesis of ATP from ADP and Pi at ATP synthase using energy from glucose electrons which are ultimately transferred to oxygen (final electron acceptor) using ETC in mitochondrial cristae (aerobic) | ![]() | 12 |
7725867055 | substrate level phosphorylation | synthesis of ATP by transferring a phosphate group directly to ADP using an enzyme | ![]() | 13 |
7725867056 | chemiosmosis | (3) movement of protons down their concentration gradient coupled to ATP synthesis | ![]() | 14 |
7725867057 | proton motive force | potential energy stored in form of an electrochemical gradient generated by pumping hydrogen ions across membranes during ETC | ![]() | 15 |
7725867058 | alcohol fermentation | conversion of pyruvate to carbon dioxide and 2-carbon compound in absence of oxygen to regenerate NAD+ needed for glycolysis (in yeast) | ![]() | 16 |
7725867059 | lactic acid fermentation | conversion of pyruvate to 3-carbon compound in absence of oxygen to regenerate NAD+ needed for glycolysis (in our muscles) | ![]() | 17 |
7725867060 | obligate anaerobes | organisms that can only survive WITHOUT oxygen | 18 | |
7725867061 | beta oxidation | metabolic pathway that breaks down fatty acids into two-carbon fragments which enter Krebs cycle as acetyl CoA | ![]() | 19 |
7725867062 | redox | electron transfer reactions that occur together and in which one chemical is oxidized and the other reduced | ![]() | 20 |
7725867063 | formation of acetyl CoA | metabolic link between glycolysis and aerobic respiration | ![]() | 21 |
7725867064 | cellular respiration | exergonic process that includes 3 steps and releases energy (ATP) by breaking down glucose and other molecules in presence of oxygen | ![]() | 22 |
7725867065 | cytochromes | iron-containing proteins that play key role in electron transport chains in mitochondria, chloroplasts, and cell membranes of prokaryotes | ![]() | 23 |
7725867066 | ATP synthase | enzyme in mitochondrial cristae and chloroplast thylakoids that uses energy of proton gradient to add a phosphate group to ADP and so form ATP | ![]() | 24 |
7725867067 | facultative anaerobes | organisms that can survive with OR without oxygen | 25 | |
7725867068 | dehydrogenases | enzymes that transfer hydrogen atoms | ![]() | 26 |
7725867069 | isomerases/mutases | enzymes that move atoms within a molecule | ![]() | 27 |
7725867070 | kinases/phosphatases | enzymes that transfer phosphate groups | ![]() | 28 |
7725867071 | adolases | enzymes that cut molecules | ![]() | 29 |
7725867072 | enolases | enzymes that add double bonds to molecules | ![]() | 30 |