What serves as the terminal electron acceptor in aerobic respiration, alcoholic fermentation and lactic acid fermentation?

Q: Why does glycolysis require ATP investment on a thermodynamic and molecular level?

A: The process in which glucose is broken down to produce energy is called glycolysis. It  is the…

Q: Why is peroxidase (or catalase) required by organisms that use oxygen in metabolism?

A: Peroxidases, commonly referred as catalases, are another type of oxidoreductase enzyme that…

Q: How are the metabolic pathways different in lactic acid fermentation and ethanol fermentation?

A: Lactic acid fermentation as well as alcoholic fermentation both occurs in absence or lack of oxygen.…

Q: E.coli cell?

A: E.coli(Escherchia coli),is a gram-negative,facultative anaerobic,rod shaped,coliform bacterium of…

Q: What are the fi nal electron acceptors in aerobic, anaerobic, and fermentative metabolism?

A: An electron acceptor can be defined as the chemical entity that accepts electrons from the other…

Q: What are the hydrogen electron acceptors for aerobic and anaerobic respiration as well as in…

A: Chemotrophs, lithotrophs, and heterotrophs all have cellular respiration. It starts when electrons…

Q: What is the net yield of ATP during homolactic, acetate, and butyrate fermentations? How do these…

A: Fermentation is an anaerobic energy yielding process in which final electron acceptor is an organic…

Q: Can Glucose Provide Electrons for Biosynthesis?

A: Glucose is a sugar molecule that is the most staple fuel for cells. It is the only energy-providing…

Q: Which of the following distinguishes lactate fermentation from alcoholic fermentation?

A: Lactate fermentation In lactate fermentation, lactic acid is produced. Alcoholic fermentation In…

Q: What is the energy rich compound produced in Krebs Cycle or Citric acid cycle?

A: In the matrix of the mitochondria, the citric acid cycle takes place. Except for succinate…

Q: What are different ways in which glucose is oxidized to provide energy in various organisms?

A: The process of exchange of gases through different modes, like air or water, for their survival is…

Q: How Does Cellular Respiration Extract Energy from Glucose?

A: Cells are the smallest functional and structural unit of all organisms. All cells have a cell…

Q: How much ATP (in moles) is generated from the complete oxidation of one mole of lactose?

A: Lactose is a disachharide, which is broken down into two monosaccharides glucose and galactose by…

Q: Differentiate between electron acceptors in respiration (both aerobic and anaerobic) and…

A: Cell is the basic structural and functional unit of all living organisms. An organism is termed as…

Q: How can Fe2+ be oxidized under anoxic conditions?

A: Anoxygenic phototropic bacteria uses ferrous iron as electron donor photosynthesis.

Q: What is the terminal electron acceptor in aerobic respiration?

A: Respiration is a process found in organisms which helps them make energy using food molecules.

Q: What are the end-products of anaerobic catabolism of glucose via fermentation?

A: Carbohydrate is one of the most important sources of energy in the body. It is broken down to…

Q: How does the reduction of pyruvic acid create a state of redox balance in anaerobic glycolysis?

A: Glycolysis is the enzymatic breakdown of glucose for the production of energy under aerobic or…

Q: What glycolytic intermediate does glycogenolysis produce? Explain in brief..

A: Glycolysis is a metabolic pathway in which glucose is converted to pyruvate. The principal sugars…

Q: What are the similarities and difference of lactic acid fermentation and alcoholic fermentation?

A: Fermentation is the process that starts with glycolysis. Lactate production involves the conversion…

Q: What accounts for the ATP yield of fermentation being only a tiny fraction of the yield from aerobic…

A: Fermentation and anaerobic respiration are the two types of cellular respiration mechanisms that are…

Q: What form of carbon is produced during anaerobic respiration?

A: When there is the production of ATP (Adenosine triphosphate) from the breakdown of the glucose in…

Q: What is the terminal electron acceptor in photo- phosphorylation?

A: By activating PSII, photophosphorylation converts ADP into ATP by absorbing the energy of sunlight.…

Q: Which of the following yields greatest energy for a cell; fermentation, anaerobic respiration, or…

A: Cells, like mammals, are unable to create energy unless they can find a source in their…

Q: What are the activated electron carriers for catabolism? For anabolism?

A: Activated Electron carriers for: Catabolism : NADH ,FADH2. Anabolism : NADPH.

Q: Why is pyruvat reduced during fermentation, and how is this related to bacteria using fermentation…

A: When oxygen is not present, pyruvate will undergo a process called fermentation. In the process of…

Q: What is the effect of adding cyanide to the DNOC-stimulated electron-transport chain?

A: The electron transport chain, abbreviated as ETC is a series of transfer of elections from one…

Q: What is the main difference between fermentation and anaerobic respiration?

A: Cellular respiration is a bunch of metabolic responses and cycles that occur in the cells of living…

Q: What property of the various cytochromes ensures unidirectional electron flow along the…

A: Cytochromes, a family of metalloproteins which performs one-electron transfer reactions, in…

Q: What is the ATP yield from the entire aerobic respiration pathway? What is the ATP yield for…

A: Cellular respiration is a catabolic process.  It includes glycolysis, which is a common pathway for…

Q: How does changing the concentration of enzyme affect the rate of decomposition of H2O2?

A: Enzyme Enzymes are globular protein molecules that catalyze a given reaction in a time-dependent…

Q: What are the different ways in which glucose is oxidised to provide energy in various organisms?

A: The process of exchange of gases through different modes, like air or water, for their survival is…

Q: What is oxidative degradation in catabolism? and what is reductive biosynthesis in anabolism?

A: Anabolic reactions lead to the synthesis of biomolecules. The catabolic reactions lead to the…

Q: Why are relatively modest quantities of NAD+ needed in comparison to the vast quantity of…

A: Introduction The Fermentation is an anaerobic process that occurs in the absence of oxygen. In…

Q: What advantage and disadvantage does anaerobic fermentation have compared with aerobic respiration?

A: Respiration is the process of obtaining energy by breaking down simple and digested food material.…

Q: What is used in the breakdown of ATP into ADP + Pi through hydrolysis?

A: ATP is like a charged battery , while ADP is like ad dead battery .ATP can be hydrolyzed to ADP and…

Q: What is the net ATP yield for bacteria and eukaryotic cells?

A: Prokaryotes are the structure of cell membranes and cell wall. The genetic material of the…

Q: How many ATP's are obtained from cellular respiration and fermentation?

A: Respiration is a biochemical process which involves conversion of chemical energy of food into ATP.…

Q: How does substrate-level phosphorylation differ from phosphorylation linked to the electron…

A: Substrate level phosphorylation is a Direct Phosphorylation and Phosphorylation linked to the…

Q: Where does lactic acid fermentation occur in the human body

A: Lactic acid is a process, where the monosaccharide's, such as glucose, fructose, and sucrose are…

Q: What are the catalytic subunits of F1 particle of ATP synthase?

A: Adenosine triphosphate synthase is a protein that catalyses the synthesis of the energy storage…

Q: What are the final electron acceptors in aerobic, anaerobic, andfermentative metabolism?

A: An electron acceptor is a chemical molecule or substance which accepts electrons that are…

Q: How many water molecules are used for one complete turn of krebs cycle?

A: The tricarboxylic acid also called krebs or citric acid cycle is an essential source of energy for…

Q: What happens with NADH under aerobic  versus anaerobic  conditions?

A: Cellular respiration can occur in the presence or absence of oxygen.

Q: How many enyzymatic reactions are there in glycolysis pathway?

A: There are 10 enzymatic reactions in glycolysis pathway.