Why do yeast cells convert pyruvate to ethanol in the absence of oxygen? to produce CO2 for respiration. to produce NAD+, allowing glycolysis to continue to consume excess pyruvate that cannot enter the citric acid cycle ethanol can be used as a source of energy to produce NAD+, allowing the electron transport chain to run

Q: aerobic and anaerobic respiration, NADH is oxidized to return to NAD+ which is needed for…

A: Aerobic respiration can be described as the process involving the breakdown of carbohydrates such as…

Q: Energy is required to reverse the flow of the electron transport chain. Why would this be so?

A: Mitochondria are defined as the membrane-bound cell organelles that will produce or generate most of…

Q: Which statement is FALSE?

A: In electron transport chain, the electrons that are stored in the form of NADH and FADH2 are passed.…

Q: he complete oxidation of one molecule of glucose results in the production of 38 molecules of ATP.…

A: Introduction : ATP or Adenosine triphosphate is the energy currency of the cell. It is produced in…

Q: The Citric Acid Cycle results in (Choose all that apply) net oxidation of acetyl CoA carbons to two…

A: The biochemical reaction in aerobic conditions involving the release of stored energy through the…

Q: The complete catabolism of glucose into CO2 and H2O generally yields a smaller amount of ATP in…

A: Cellular metabolism is the set of chemical reactions that occur in living organisms in order to…

Q: In the ETC, FADH2 transfers electrons via Complex II. Select one: True False NADH is derived from…

A: Electrons are transferred from NADH/FADH2 to oxygen, the terminal electron acceptor in aerobic…

Q: The number of ATP created during the Citric Acid Cycle from 1 pyruvate molecule is: O a. 1 O b. 0…

A: Eukaryotes are the organisms in which nucleus id developed and is surrounded by a membrane. In these…

Q: he first pathway of cellular respiration is glycolysis. The net gain of this pathway is: A) 2 ATP,…

A: Cellular Respiration: It is a metabolic process in all living cells. The free energy is released in…

Q: Which of the following is TRUE about NAD+? O It donates electrons for use in oxidative…

A: The chemical processes that take place in the body of a living cell are studied as biochemical…

Q: How many moles of ATP are ultimately produced from the entry of 1 mole of FADH2 into the electron…

A: An electron transport is a series of reactions that involves the transfer of electrons. Electrons…

Q: In what aerobic respiration process does oxygen is needed to accept electron from complex IV? A.…

A: Answer 1-  D. Krebs cycle Krebs cycle is the process which includes many chemical reaction which is…

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: 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: , NADH is produced. The citric acid cycle also produces FADH2. What is the purpose of these…

A: During Glycolysis, pyruvate oxidation and citric acid cycle NADH produced and FADH2 produced during…

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: In the presence of excess oxygen, a complete oxidation of seven molecules of glucose into carbon…

A: In oxidative phosphorylation oxidation of NADH/FADH2 occurs, transport of electrons through Electron…

Q: Each acetyl CoA that enters in the citric acid cycle, 2 carbon dioxide molecules are released in…

A: The electron transport chain is a series of proteins found in the membrane of the mitochondria.…

Q: What is (are) the product(s) that are transferred into the electron transport chain from the citric…

A: The citric acid cycle is also known as tricarboxylic acid or Kreb cycle. It occurs in the…

Q: The oxidation of pyruvate produces carbon dioxide and water while liberating energy at a rate of…

A: Pyruvate is oxidized through the link reaction catalyzed by the pyruvate dehydrogenase and the TCA…

Q: All the carbon dioxide produced during aerobic respiration is produced in the O Krebs cycle…

A: The citric acid cycle, otherwise called the Krebs cycle or the Krebs cycle, is at the focal point of…

Q: When carbon dioxide is produced in aerobic respiration? ) when oxygen is used as the final electron…

A: Aerobic respiration is the process of respiration in presence of oxygen,

Q: Plants transform solar energy to chemical energy and storing it in glucose. This, in turn, is used…

A: Introduction The Electron Transport Chain Is A Collection Of Molecules That Build A Chemical…

Q: RUBP is regenerated to keep the Calvin cycle running. Which molecule performs a similar function in…

A: In any case of biochemical cycles, recycling of the key components of the cycle is nneed in order…

Q: Which metabolic pathway requires ATP (as input)?     glycolysis     TCA cycle     pyruvate…

A: In a cell, a series of biochemical reactions that occurs to create or cleave molecules for the…

Q: When do cells switch from cellular respiration to fermentation? When NADH and FADH2 supplies are low…

A: Cellular respiration is the process by which the chemical energy present in the O2 molecule is used…

Q: Which of the following descriptions about ATP synthesis during respiration and photosynthesis is…

A: Out of all the options given -  Option (a) is INCORRECT - because ATP synthase is an enzyme which…

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: Which of the following statements about FAD is FALSE?   a. More ATP is produced from the…

A:

Q: In glycolysis, NADH molecules are created. Where do these molecules go next? Group of answer choices…

A: Glycolysis is a catabolic process, where a sugar molecule gets breakdown to form pyruvate along with…

Q: Which of the following statements about NAD* is false? O NAD+ is reduced to NADH during both…

A: NAD can exist in two forms: NAD+ and NADH. When NAD+ is converted to NADH, it gains two things:…

Q: The reduced coenzymes NADH and FADH2 are oxidized in the ETS. What is the final electron acceptor of…

A: The aerobic respiration of the cell is made of three main parts - (i) glycolysis where glucose is…

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: The NADH produced in step 6 of glycolysis may be used to produce ethanol in the absence of oxygen.

A: Glycolysis: Glycolysis is the process breakdown of glucose by enzymes, releasing energy and pyruvic…

Q: Oxygen is the final electron acceptor in the electron transport chain. However, in the absence of…

A: The Krebs cycle is also known as the citric acid cycle or the TCA cycle . It contains a series…

Q: Pyruvate oxidation yields carbon dioxide and water and liberates energy at the rate of 1142.2…

A: Pyruvate enters TCA cycle and gets oxidized to CO2 and water.  Given, Energy released in chemical…

Q: If the bacteria cell plasma membrane was damaged, what step of metabolism would be affected?…

A: In bacterial cell, Cell cycles occurs to generate ATP required energy for further processes and…

Q: NADH produced during glycolysis will have a higher ATP yield when NADH is shuttled into another NADH…

A: Highest ATP yield occur when NADH is translocated into the mitochondrion.  When oxidation of one…

Q: How do cytosolic NADH electrons get to the electron transport chain under aerobic conditions

A: The chemical reactions that occur inside the body and sustain the life processes are together summed…

Q: What essential compound is produced in the pentose phosphate pathway that is needed for synthesis as…

A: The Pentose Phosphate pathway also called hexose monophosphate shunt or phosphogluconate pathway,…

Q: photosynthesis produces O2 which can be used in oxidative phosphorylation and the citric acid cycle…

A: Photosynthesis and cellular respiration are two related processes. Glucose is produced during…

Q: The complete catabolism of glucose into CO2 and H2O generally yields a smaller amount of ATP in…

A: Glucose catabolism is the reverse of photosynthesis. Glucose reacts with oxygen to produce carbon…

Q: Aerobic respiration in eukaryotes produces less ATP per glucose molecule than aerobic respiration in…

A: Aerobic respiration in prokaryotes generates 38 ATPs from one glucose molecule while only 36 ATP…

Q: What is the value of NADH and FADH2? What do theu contribute to cellular respiration?   carry O2s…

A: Cellular respiration is the process by which glucose is broken down to provide energy. The energy…

Q: Which of the following is inhibited by increased concentration of NADH? Krebs cycle Pyruvate…

A: Molecules like ATP, ADP, NADH regulate enzymes involved in cellular respiration.  In pyruvate…

Q: After radioactive carbon was fed into the citric acid cycle, where might it be found?   A. ATP…

A: Radioactive 14C are fed into the citric acid cycle as radioactive isotopes labeled on an acetyl-CoA.…

Q: Where does glucolysis take place ,  what is conversion of pyruvate to acetyl Co-A  , where the…

A: Glycolysis is the pathway that is common to both aerobic as well as anaerobic respiration. The…

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

A: If an organism solely grow on acetate it will be oxidized to acetyl CoA. Acetyl CoA, then enters…

Q: The main purpose of NADH in fermentation is: To carry electrons to the electron transport chain To…

A: Cellular respiration: It is catabolic process to get energy from glucose in the form of ATP (…