oxidation of NADH by nitrate produces 5 ATP, by H2S is 2 ATP, by O2 is 3 ATP. Why oxidation of NADH by nitrate could produce more ATP, whereas by H2S is less.

Q: For the equations below, which molecule is oxidized and which is reduced?   H2S + NAD+ --> NADH +…

A: The chemical reaction of losing and accepting electrons is known as a redox reaction. In a redox…

Q: how many ATP synthesized by oxidation of NADH by O2? Compare it with the ATP synthesized by…

A: Electron transport through complexes I, III, and IV is coupled to the transport of protons out of…

Q: If 16 molecules of CO2 are fixed into the C4 CO2 fixation pathway, how many of the following are…

A: C4 plants normally thrive in regions with high light intensity and high temperature. The energy…

Q: Compound X is an inhibitor in respiratory electron transfer. It binds to the Fe3+ of Complex IV…

A: Complex IV is the terminal electron acceptor in the electron transport chain (ETC). ETC is an…

Q: Referring to the figure below, explain why NADH yields more ATP than FADH2 does.

A: The electron transport chain is a sequence of four protein complexes that connect redox events to…

Q: Identify the oxidized and reduced forms of the following pairs: O2/H2O NO2- / NO3- NADP+ / NADPH…

A: An oxidation-reduction reaction is a chemical reaction in which a molecule gain or loss their…

Q: In the malate aspartate shuttle, electrons from_are transferred to forming malat mitochondrial NADH;…

A: Introduction: The malate-aspartate shuttle is a biochemical mechanism that transfers electrons…

Q: Write the net equation for electron transfer from NADH to O2.

A: Terminal oxidation takes place towards the end of catabolic process. It is the name of oxidation…

Q: If the reduction potential for NAD+ is -0.315 V and the reduction potential for oxygen is 0.815 V,…

A: Oxidation potential measures the power of a substance or system to add oxygen or remove hydrogen.…

Q: Which of the following best describes the number of NAD+ that get reduced in the matrix reactions:…

A: Note: According to the guidelines, we are supposed to answer only 1 question. Please repost other…

Q: Carbon dioxide is a product of which two enzymatic processes in the TCA cycle? From which two…

A: Aerobic cellular respiration is a series of 3 major metabolic pathways occurs in the cells to…

Q: FADH2 is a less powerful reducing agent (electron donor) than NADH. What is the consequence of this…

A: cellular respiration provides energy, ATP

Q: Hydrogen cyanide gas is a lethal poison that binds to the last cytochrome molecule in the electron…

A: The bond between carbon and nitrogen in any chemical is called cyanide (CN). This compound is…

Q: Two of the following are oxidizing agents and two are reducing agents. Which are which: NAD+, NADP+,…

A: Explanation about oxidizing agents and reducing agents.

Q: What effect would cyanide have on NADH and NAD+ concentrations in a cell? In your response, you must…

A: Cyanide is a poison that inhibits the cellular respiration by binding to ferric ions of cytochrome…

Q: Given the roles of NAD+ /NADH in dehydrogenation reactions and NADPH/NADP+ in reductions, would you…

A: A redox reaction is chemical reaction which involves transfer of electrons between the two reactants…

Q: why NADH yields more ATP than FADH2 does?

A: * Krebs cycle is also called as citric acid cycle and also called as tricarboxylic acid cycle is a…

Q: Two products of anaero bic respiration include O ATP and pyruvate O ATP and NADPH. O alcohol and…

A: Anaerobic respiration is the process of cellular respiration that uses molecules other than…

Q: The last stop. The final electron acceptor for the electron-transport chain is which of the…

A: Cellular respiration is a biochemical process of oxidation of organic compounds in an orderly manner…

Q: As one molecule of NADH passes trough the ETS, O 1 molecule of ATP is produced O 2.5 molecules of…

A: During various processes in respiration, such as glycolysis and Krebs cycle, NADH and FADH2 are…

Q: An organism lives solely on Acetate. It has a normal Kreb’s Cycle and its Electron Transport Chain…

A: Cellular respiration is the mechanism by which an organism converts the chemical energy in the form…

Q: NADH and NADPH are both reducing agents and involved in metabolism. How do they differ aside from…

A: NADP and NADPH are both coenzymes  They help to get energy from the electron transport chains and…

Q: How many electrons are removed during the complete oxidation of ethanol to carbon dioxide and water…

A: NADPH : Nicotinamide adenine dinucleotide phosphate  Removal of electrons is called oxidation and…

Q: In chloroplasts, a greater pH gradient across the thylakoid membrane is required to power the…

A: The chlorophyll acquires its electrons from water by creating oxygen as a result. During the…

Q: Freshly prepared mitochondria were incubated with B-hyroxybutyrate, oxidized cytochrome c, ADP, P,…

A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question…

Q: beta oxidation of Lauric Acid

A: Beta-oxidation:  Beta-oxidation is a catabolic process. In which fatty acid molecules are broken…

Q: How in the respiratory chain do electrons from FADH2 and NADH2 passing through cytochromes liberate…

A: Cytochromes a, b and c are present in the mitochondria. Cytochromes a and b are the integral…

Q: Why is less ATP is made from the reoxidation of FADH2 compared to NADH?

A: Cellular respiration begins with the process of glycolysis in which glucose is partially oxidized to…

Q: A larger proton gradient is required to forma single ATP in chloroplasts than in mitochondria.…

A: Major constituents of the living world are plants. These organisms require energy for performing…

Q: NADH is reozidized by which if the following processes?  A. Glycolysis  B. Fermentation  C. Krebs…

A: Reoxidation can be defined as subsequent oxidation.

Q: It is the product when pyruvate is directly reduced by NADH without the release of CO2

A: Pyruvate is the end product of glycolysis in aerobic condition. One glucose molecule break down into…

Q: NADH is an important coenzyme in catabolic processes,whereas NADPH appears in anabolic processes.…

A: NADH is an important coenzyme in catabolic process whereas NADPH appears in anabolic processes. The…

Q: Why do yeast cells convert pyruvate to ethanol in the absence of oxygen? to produce CO2 for…

A: Anaerobic respiration is an alternate mode of energy generation in which an exogenous electron…

Q: Oxidised C XXXX NADH + H+ Oxidised A Reduced B Electrons NAD+ Reduced , Oxidised B Reduced B Figure…

A: Oxidative Phosphorylation--- ATP is called as energy currency and for each glucose molecule the body…

Q: H2S oxidation was one of the earliest mechanisms of photosynthesis on the ancient Earth. This…

A: Photosynthesis is a biochemical process of producing starch and water in the presence of sunlight…

Q: Which of the following is the odd one out? NADP FMN NAD

A: Introduction: A coenzyme is a cofactor that consists of small organic molecules, many of which are…

Q: Rotenone is an insecticide that is not toxic to plants, but is highly toxic to fish and insects. (it…

A: Rotenone is a colourless, odourless insecticide, piscicide, pesticide. Rotenone naturally occurs in…

Q: Explain the following statement: The O2 generated by photosynthesis is simply a by-product of the…

A: Photosynthesis is the process by which plants prepare their own food with the help of sunlight,…

Q: Along with hydrogen, what else is transferred by NADH to other molecules

A: Catabolism produces reducing equivalents such as NADH and FADH2. The reducing equivalents are…

Q: In one turn of Kreb's cycle, how many of the following are produced? 1. СО2- 2. АТР- 3. FADH2- 4.…

A: The Krebs cycle is a part of cellular respiration. The Krebs cycle comes after link reaction &…

Q: NADH will not change the Vmax for ADH but does increase the Km for the NAD+ substrate. What type of…

A: Enzymes are biological catalyst that perform specific chemical reaction with within body. They are…

Q: Which of the following is/are highly mobile electron carriers during electron transport? (Select all…

A: The loss of electrons during the reaction is oxidation whereas the gain of electrons is termed…

Q: Which of these molecules associated with electron transport is in the reduced state? Choose from…

A: Cytochromes are proteins containing heme as prosthetic groups and Fe as cofactor. These serve as…

Q: Which of the following electron carriers diffuses within the inner mitochondrial membrane to…

A: Aerobic cellular respiration is a set of three basic metabolic processes that occur in cells to…

Q: Why must NADH be reoxidized? How does this happen in an organism that uses respiration? Fermentation

A: Nicotinamide Adenine dinucleotide is a coenzyme that is essential for metabolism. NAD is a…

Q: Energy-carrying compound produced during the Krebs cycle.     (a) Oxygen (b) NADH+ (c) ETC (d) ATP…

A: Krebs cycle is also known as citric acid cycle. Because citric acid is the first product of this…

Q: In the electron transport chain (ETC), the electrons carried by an NADH molecule have the potential…

A: Electron transport chain is a series of electron carriers through which the electrons are…

Q: When 24 acetyl Co-A molecule(s) are respired through the Krebs Cycle and the electron

A: Krebs Cycle and Electron Transport System -- Krebs cycle produces proton carrier eg. NADH and FADH2…

Q: If 16 molecules of CO2 are fixed into the C4 CO2 fixation pathway, how many of thefollowing are…

A: The Hatch–Slack pathway, also known as C4 carbon fixation, is one of three known photosynthetic…

Q: Complexes I and II of the electron transport complex transfer electrons from NADH and succinate,…

A: The electron transport chain is a series of protein complexes that transfer electrons from electron…