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Principles of Biochemistry 4/e
... A total of 10 H+ are pumped across the inner mitochondrial membrane for every two electrons donated to Complex I and the electrons transferred to oxygen to make H2O. ...
... A total of 10 H+ are pumped across the inner mitochondrial membrane for every two electrons donated to Complex I and the electrons transferred to oxygen to make H2O. ...
Unique plant respiration
... catalyzed by citrate synthase Successive oxidation and decarboxylation of citrate to regenerate oxaloacetate (OAA) ...
... catalyzed by citrate synthase Successive oxidation and decarboxylation of citrate to regenerate oxaloacetate (OAA) ...
ATP GENERATION The energy captured within ATP can then be
... • ATP synthase protein complex contains only channels for proton entry. As protons push in through channel, the base rotates. Specific binding sites allow ADP + Pi ATP. This can be called chemiosmotic phosphorylation (assuming chemiosmotic hypothesis is correct), or oxidative phosphorylation (makes ...
... • ATP synthase protein complex contains only channels for proton entry. As protons push in through channel, the base rotates. Specific binding sites allow ADP + Pi ATP. This can be called chemiosmotic phosphorylation (assuming chemiosmotic hypothesis is correct), or oxidative phosphorylation (makes ...
AP Respiration Test Review
... 3. What is the term for the metabolic pathways that release stored energy by breaking down complex molecules? 4. What is the term for the metabolic pathways that use store energy to build macromoleulces? 5. What is the primary role of the ADP-ATP cycle? 6. What is the difference between reduction an ...
... 3. What is the term for the metabolic pathways that release stored energy by breaking down complex molecules? 4. What is the term for the metabolic pathways that use store energy to build macromoleulces? 5. What is the primary role of the ADP-ATP cycle? 6. What is the difference between reduction an ...
Option C - IBperiod5
... transport, cyclic and noncyclic photophosphorylation, photoactivation of photosystem I, and reduction of NADP+] C4.4 Explain photphosphorylation in terms of chemiosmosis C4.5 Explain the light- independent reactions [ Include theroles of ribulose biphosphate( RuBP), carboxylase, reduction of glycera ...
... transport, cyclic and noncyclic photophosphorylation, photoactivation of photosystem I, and reduction of NADP+] C4.4 Explain photphosphorylation in terms of chemiosmosis C4.5 Explain the light- independent reactions [ Include theroles of ribulose biphosphate( RuBP), carboxylase, reduction of glycera ...
Schematic of key mitochondrial metabolic pathways
... Figure 1. Schematic of key mitochondrial metabolic pathways. (a) Carbohydrate metabolism. Pyruvate produced from glycolysis undergoes oxidative decarboxylation to acetyl CoA, which is then oxidised in an eight-step process known as the tricarboxylic acid (TCA) cycle. The respiratory substrates NADH ...
... Figure 1. Schematic of key mitochondrial metabolic pathways. (a) Carbohydrate metabolism. Pyruvate produced from glycolysis undergoes oxidative decarboxylation to acetyl CoA, which is then oxidised in an eight-step process known as the tricarboxylic acid (TCA) cycle. The respiratory substrates NADH ...
Nov_16
... Glycolysis and Krebs cycle step by step? Do we need to know all the enzyme? o The more you understand, the better it is o Break down and understand what each step does and then build on that o What does TCA do? o Simple diagrams of TCA o TOOO MANY ENZYMES TO MEMORIZE….remember the ones he emphasized ...
... Glycolysis and Krebs cycle step by step? Do we need to know all the enzyme? o The more you understand, the better it is o Break down and understand what each step does and then build on that o What does TCA do? o Simple diagrams of TCA o TOOO MANY ENZYMES TO MEMORIZE….remember the ones he emphasized ...
METABOLISM I. Introduction. - metabolism: all chemical reactions
... - this process involves glycolysis, Krebs Cycle, and electron transport chain (ETC). -there are two means of ATP production throughout glucose oxidation: substrate level phosphorylation where high energy phosphate groups are transferred directly from phosphorylated molecules to ADP; oxidative phosph ...
... - this process involves glycolysis, Krebs Cycle, and electron transport chain (ETC). -there are two means of ATP production throughout glucose oxidation: substrate level phosphorylation where high energy phosphate groups are transferred directly from phosphorylated molecules to ADP; oxidative phosph ...
called Oxidative phosphorylation.
... 43 polypeptides and total approximate molecular weight 850kDa. It contains 6-7 iron sulfur clusters and 1 FMN as prosthetic group. It has binding site for Coenzyme Q which is a substrate for this complex ...
... 43 polypeptides and total approximate molecular weight 850kDa. It contains 6-7 iron sulfur clusters and 1 FMN as prosthetic group. It has binding site for Coenzyme Q which is a substrate for this complex ...
Electron Transport Chain and Oxidative phosphorylation So far we
... This complex has 13 subunits, total mol, mass 204 kDa). Three proteins critical for electron flow are: Subunit I, II and III. Subunit I contains two heme groups and a Cu ion (CuB). Subunit II contains two Cu atoms bonded by two sulfur atoms of cystiene. This binuclear centre and cyt c binding sites ...
... This complex has 13 subunits, total mol, mass 204 kDa). Three proteins critical for electron flow are: Subunit I, II and III. Subunit I contains two heme groups and a Cu ion (CuB). Subunit II contains two Cu atoms bonded by two sulfur atoms of cystiene. This binuclear centre and cyt c binding sites ...
Clicker game ?`s
... 4 The process in photosynthesis that most closely resembles chemiosmosis and oxidative phosphorylation in cell respiration is A cyclic phosphorylation B non cyclic phosphorylation C ATP synthase coupling D Calvin cycle E acetyl CoA formation 5 The P680 chlorophyll has its "holes" filled by electrons ...
... 4 The process in photosynthesis that most closely resembles chemiosmosis and oxidative phosphorylation in cell respiration is A cyclic phosphorylation B non cyclic phosphorylation C ATP synthase coupling D Calvin cycle E acetyl CoA formation 5 The P680 chlorophyll has its "holes" filled by electrons ...
Respiration
... growth takes place primarily at night when photosynthesis is shut down. Fueled by aerobic respiration. ...
... growth takes place primarily at night when photosynthesis is shut down. Fueled by aerobic respiration. ...
Chapter 14 (Part 1)
... aka succinate dehydrogenase (from TCA cycle!) four subunits Two largest subunits contain 2 Fe-S proteins Other subunits involved in binding succinate dehydrogenase to membrane and passing e- to Ubiquinone • FAD accepts 2 e- and then passes 1 e- at a time to Fe-S protein • No protons pumped from this ...
... aka succinate dehydrogenase (from TCA cycle!) four subunits Two largest subunits contain 2 Fe-S proteins Other subunits involved in binding succinate dehydrogenase to membrane and passing e- to Ubiquinone • FAD accepts 2 e- and then passes 1 e- at a time to Fe-S protein • No protons pumped from this ...
Clicker game ?`s
... 4 The process in photosynthesis that most closely resembles chemiosmosis and oxidative phosphorylation in cell respiration is A cyclic phosphorylation B non cyclic phosphorylation C ATP synthase coupling D Calvin cycle E acetyl CoA formation 5 The P680 chlorophyll has its "holes" filled by electrons ...
... 4 The process in photosynthesis that most closely resembles chemiosmosis and oxidative phosphorylation in cell respiration is A cyclic phosphorylation B non cyclic phosphorylation C ATP synthase coupling D Calvin cycle E acetyl CoA formation 5 The P680 chlorophyll has its "holes" filled by electrons ...
Metabolism - California Science Teacher
... Knowing the chemical reaction of molecules and the bonds by hydrolysis of sucrose, this involves the breaking bonds of glucose and fructose with one of the water molecules, than to form into new bonds. ...
... Knowing the chemical reaction of molecules and the bonds by hydrolysis of sucrose, this involves the breaking bonds of glucose and fructose with one of the water molecules, than to form into new bonds. ...
MEMBRANE-BOUND ELECTRON TRANSFER AND ATP …
... by UQH2, the hydrophobic quinol (reduced quinone) diffuses rapidly within the IMM. Electrons are carried from Complex III to Complex IV by cytochrome c, a small hydrophilic peripheral membrane protein located on the cytosolic or P side of the IMM. Complex II (Succinate-UQ oxidoreductase) is membrane ...
... by UQH2, the hydrophobic quinol (reduced quinone) diffuses rapidly within the IMM. Electrons are carried from Complex III to Complex IV by cytochrome c, a small hydrophilic peripheral membrane protein located on the cytosolic or P side of the IMM. Complex II (Succinate-UQ oxidoreductase) is membrane ...
cell respiration wilk hl ibdp
... • As a result the more and more H+ ions ( protons) are transferred to the inter membrane space. Cytochrome c oxidase ultimately transfers electrons to Oxygen (terminal e acceptor) and water is formed as an end product. ...
... • As a result the more and more H+ ions ( protons) are transferred to the inter membrane space. Cytochrome c oxidase ultimately transfers electrons to Oxygen (terminal e acceptor) and water is formed as an end product. ...
L3 - Bacterial Metabolism v3
... – Compounds that can accept electrons (and protons) to drive the production of ATP – Compounds can easily transfer their electrons to other molecules ...
... – Compounds that can accept electrons (and protons) to drive the production of ATP – Compounds can easily transfer their electrons to other molecules ...
Chapter 7 Review Name: Date: Question Answer Process that
... pathway; occurs in your muscles; used by bacteria ...
... pathway; occurs in your muscles; used by bacteria ...
Cellular Respiration
... • to 2, 3C pyruvates • Yield 2 ATP • Yield 2 NADH • 10 reaction steps, each catalyzed by specific enzymes. ...
... • to 2, 3C pyruvates • Yield 2 ATP • Yield 2 NADH • 10 reaction steps, each catalyzed by specific enzymes. ...
SCI_7726_files/Cellular Respiration
... • to 2, 3C pyruvates • Yield 2 ATP • Yield 2 NADH • 10 reaction steps, each catalyzed by specific enzymes. ...
... • to 2, 3C pyruvates • Yield 2 ATP • Yield 2 NADH • 10 reaction steps, each catalyzed by specific enzymes. ...
Biology 190-Fall 2005 ANSWER SHEET
... 4. The first law of thermodynamics states that energy can be neither created nor destroyed. For living organisms, which of the following is an important consequence of the first law? A) The energy content of an organism is constant. B) The organism ultimately must obtain all of the necessary energy ...
... 4. The first law of thermodynamics states that energy can be neither created nor destroyed. For living organisms, which of the following is an important consequence of the first law? A) The energy content of an organism is constant. B) The organism ultimately must obtain all of the necessary energy ...
Oxidative phosphorylation
Oxidative phosphorylation (or OXPHOS in short) is the metabolic pathway in which the mitochondria in cells use their structure, enzymes, and energy released by the oxidation of nutrients to reform ATP. Although the many forms of life on earth use a range of different nutrients, ATP is the molecule that supplies energy to metabolism. Almost all aerobic organisms carry out oxidative phosphorylation. This pathway is probably so pervasive because it is a highly efficient way of releasing energy, compared to alternative fermentation processes such as anaerobic glycolysis.During oxidative phosphorylation, electrons are transferred from electron donors to electron acceptors such as oxygen, in redox reactions. These redox reactions release energy, which is used to form ATP. In eukaryotes, these redox reactions are carried out by a series of protein complexes within the inner membrane of the cell's mitochondria, whereas, in prokaryotes, these proteins are located in the cells' intermembrane space. These linked sets of proteins are called electron transport chains. In eukaryotes, five main protein complexes are involved, whereas in prokaryotes many different enzymes are present, using a variety of electron donors and acceptors.The energy released by electrons flowing through this electron transport chain is used to transport protons across the inner mitochondrial membrane, in a process called electron transport. This generates potential energy in the form of a pH gradient and an electrical potential across this membrane. This store of energy is tapped by allowing protons to flow back across the membrane and down this gradient, through a large enzyme called ATP synthase; this process is known as chemiosmosis. This enzyme uses this energy to generate ATP from adenosine diphosphate (ADP), in a phosphorylation reaction. This reaction is driven by the proton flow, which forces the rotation of a part of the enzyme; the ATP synthase is a rotary mechanical motor.Although oxidative phosphorylation is a vital part of metabolism, it produces reactive oxygen species such as superoxide and hydrogen peroxide, which lead to propagation of free radicals, damaging cells and contributing to disease and, possibly, aging (senescence). The enzymes carrying out this metabolic pathway are also the target of many drugs and poisons that inhibit their activities.