Why is oxygen required for ATP generation by the electron transport chain and oxidative phosphorylation? a) Oxygen is needed for glycolysis b) Oxygen is the electron donor for the electron transport chain producing CO2 c) Oxygen helps proteins fold better d) Oxygen is needed to made water and produce protons for the electron transport chain e) Oxygen is the ultimate electron acceptor

Q: hich of the following components of the mitochondrial electron transport chain is the only one to be…

A: Peripheral membrane proteins are proteins that adhere only temporarily to the biological membrane…

Q: why is ATP an effective energy storage molecule?

A: ATP is an energy-carrying molecule. It is found in the living cells. The mitochondria are the…

Q: What is the correct operational sequence of the three processes listed below? I. Glycolysis II.…

A: Cellular respiration is the aerobic process by which living cells break down glucose molecules,…

Q: Which one of the following statements about oxidative respiration is false? Answer: It occurs…

A: Oxidative respiration is a process through which a cell harvests energy to fuel all the metabolic…

Q: How does oxidation of a molecule occur without oxygen?

A: The terms oxidation and reduction can be defined in terms of adding or removing oxygen to a…

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: The electrons that reduce nitrate to nitrite are brought to it by a short electron transport chain…

A: Introduction  FADH and NADH are the examples of electron carrier which takes part in most of the…

Q: Present  the Cellular organization of the electron transport chain ?

A: Introduction  All cells require energy to survive and energy comes from respiration or metabolism.…

Q: What does it mean to say that during cellular respiration, electron carriers are reduced while the…

A: Let’s imagine we have  a cell. The cell has just been given a big, juicy glucose molecule, and we…

Q: How does cellular respiration benefit life on earth if it is a catabolic process?

A: Cellular respiration refers to intracellular oxidation of food to form ATP and reducing powers. It…

Q: Is the reduced form of cytochrome c more likely to give up its electron to oxidized cytochrome a or…

A: In mitochondria, cytochrome c is an element of the electron transport chain. Electrons from the bc1…

Q: The final electron acceptor of the electron transport chain that functions in aerobic oxidative…

A: Photosynthesis, the cycle by which green plants and certain different living beings change light…

Q: please pick the right answer in each parentheses? Glucose synthesis can derive carbons from a…

A: Glucose is a form of sugar that the body obtains from the foods that are consumed and utilize it as…

Q: why is cellular respiration catabolic, exergonic, and have a negative change in free energy?

A: Cellular respiration is a process in which food substances such as glucose is broken down into…

Q: Why would a larger surface-area-to-volume ratio increase metabolic efficiency?

A: A larger surface area to volume ratio means increased exposure to the environment.  Here we will…

Q: What would decrease the number of ATP molecules generated per NADH molecule in the electron…

A: NADH is defined as the body coenzyme which will facilitate numerous biological reactions. NADH is…

Q: IN THE ELECTRON TRANSPORT CHAIN, THE FINAL ELECTRON ACCEPTOR IS ? 1. ADP 2. CARBON DIOXIDE 3.…

A:

Q: Which of the following food storage molecules has the highest energy content (per gram)?…

A: Ans. Another explanation of why foods have varying quantities of calories is that the energy source…

Q: Explain why oxygen is not needed in glycolysis but is in the electron transport chain. How is water…

A: Glycolysis is the interaction by which one molecule of glucose is converted over into two molecules…

Q: What does the electron transport chain create?

A: Electron transport chain (ETC) involves a series of complexes that transfer electrons from donor to…

Q: What role does NAD+ play in redox reactions? a. NAD+, an oxidizing agent, can accept electrons and…

A: The role of NAD+ is discussed in step 2 with an explanation.

Q: A toxin that affects cell respiration in mitochondria is classified as an uncoupler if it…

A: A metabolic pathway that breaks down glucose and generates ATP is cellular respiration. Cellular…

Q: Which process yields more ATP, fermentation or anaerobic respiration?Explain.

A: Step 1 Cellular respiration is the actual energy-releasing biochemical step of respiration. Cellular…

Q: If nitrate is used as the terminal electron acceptor in the electron transport system of a…

A: In anaerobic respiration, other compounds such as inorganic molecules such as nitrate (NO3–),…

Q: What role does oxygen play in the electron transport chain?

A: Introduction :- An electron transport chain is a collection of protein complexes and other molecules…

Q: What are the steps in the electron transport chain?

A: Electron transport chain step is involved in the generation of ATP from the molecules of hydrogen or…

Q: Match the stage of cellular respiration to the correct location.   options:   Mitochondrial matrix…

A: Mitochondria  A double membranous organelle that help in production of ATP molecules.

Q: What are the principal sources of electrons for the electron transport pathway?

A: The electron transport pathway or chain is the arrangement of the protein complex, which is…

Q: Describe what is happening in each step of the electron transport chain. Complex I Complex II Q…

A: The electron transport chain is the final step of aerobic cellular respiration that involves…

Q: High-energy electrons from molecules of NADH and FADH2 are transferred to a chain of proteins within…

A: The electron transport chain, also known as the respiratory chain, is found in the mitochondrion's…

Q: (a) Where does glycolysis take place in animal cells? Does it vary in plant cells? (b) The reactant…

A: Cellular respiration is the process by which the nutrients are oxidized.

Q: How does the electron transport chain and the process of chemiosmosis work to form ATP?

A: The electron transport chain is a series of electron transporters embedded in the inner…

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: in one of the reactions in the electron transport chain, complex I transfer electrons to coenzyme Q.…

A: Electron transport chain consists of five membrane-bound enzyme complex which is embedded into the…

Q: Which of the following components of the mitochondrial electron transport chain is the only one to…

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

Q: Which of the following final electron acceptors is used during anaerobic respiration? a. lactic…

A: Respiration is the process of oxidation of food to produce energy in the form of ATP. This energy is…

Q: During aerobic respiration, in heterotrophic organisms, which of the following is a substrate…

A: Heterotrophic organisms are those organisms which cannot make their food like plant make their food…

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: Why would lack of oxygen completely inhibit the Krebs cycle and the electron transport chain but not…

A: Kreb cycle:During aerobic respiration, the sequence of processes by which most live cells create…

Q: You are making sourdough bread using a "starter" of bacteria that ferment sugars. How do bacteria…

A: Fomentation  Fermentation is the process in which the organism produces ATP molecules without…

Q: What are the similarities and differences between fermentation and cellular respiration?

A: Both cellular respiration and fermentation are processes that break down food and convert the…

Q: What is the benefit of the electron transport chain in extracting energy from electrons?

A: It is a series if electron transports embedded in the inner mitochondrial membrane that shuttles…

Q: How is the energy released from the Kreb’s cycle converted to ATP?

A: Krebs cycle refers to the series of metabolic reactions taking place in all aerobic organisms for…

Q: What are the major events of the electron transport chain?

A: The electron transport chain (ETC) includes a series of proteins embedded in the inner mitochondrial…

Q: Make a table showing the starting materials and end products of Glycolysis, Krebs Cycle, and…

A: Stages of cellular respiration include glycolysis, pyruvate oxidation, Kreb's cycle, oxidative…

Q: What molecule acts as an electron acceptor in glycolysis?

A: Introduction: The process of glycolysis occurs in the cytoplasm of the cell of all living organisms.…

Q: Place the following components of the electron-transport chain in their proper order: (a) cytochrome…

A: Electrons are transferred from NADH to O2 through a chain of three large protein complexes called…

Q: Can you explain the electron transport chain in its entirety?

A: The question asks to explain the ETC as a whole.