Cells were treated with a chemical that inhibits the first step of the electron transport chain in cellular respiration. How would this affect the levels of the inputs and outputs of the electron transport chain? The cells would have decreased levels of O2 compared to untreated cells. The cells would have increased levels of ATP compared to untreated cells. The cells would have increased levels of NADH compared to untreated cells. The cells would have decreased levels of FADH2 compared to untreated cells.

Cells were treated with a chemical that inhibits the first step of the electron transport chain in cellular respiration. How would this affect the levels of the inputs and outputs of the electron transport chain? The cells would have decreased levels of O2 compared to untreated cells. The cells would have increased levels of ATP compared to untreated cells. The cells would have increased levels of NADH compared to untreated cells. The cells would have decreased levels of FADH2 compared to untreated cells.

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter4: How Cells Obtain Energy

Section: Chapter Questions

Problem 9RQ: What do the electrons added to NAD do? a. They become part of a fermentation pathway. b. They go to...

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Which of the following is NOT true of the electron transport chain? a. It produces NADH, as a result of electrons being transferred from glucose to NAD+ b. End products include CO2, water, and pyruvate c. It allows for the controlled release of energy for ATP synthesis d. It is part of the oxidative phosphorylation process
When electrons are transferred down the electron transport chain during cellular respiration, what happens? a. NAD+ or FAD receive electrons at the end the electron transport chain. b. As electrons are transferred down the chain, energy is provided in the form of ATP. c. The more electronegative atom is reduced, and energy is released. d. In each step, electrons are transferred to substances that are less electronegative. e. Energy released from the electron transfer is used to pump H+ into the matrix.
What is the role of NAD+ in the process of cellular respiration? a. It functions as an electron carrier. b. It functions as an enzyme. c. It is the final electron acceptor for anaerobic respiration. d. It is a nucleotide source for the synthesis of ATP.
Which of the following statements about cellular respiration is TRUE in eukaryotes? A. For every molecule of NADH oxidized in the electron transport chain, 1 molecule of ATP is produced. B. ATP synthase harnesses the flow of protons (hydrogen ions = H+) from the mitochondrial matrix to the intermembrane space to produce ATP. C. ATP synthase transduces the flow of protons (hydrogen ions = H+) from the intermembrane space to the mitochondrial matrix into kinetic (mechanical) energy D. H2O is the final electron acceptor in the electron transport chain, being oxidized to O2 and H+. E. All of the above are true
Which of the following statements is a lie?Select one:a.Specific enzymes in the electron transport chain are unaffected by feedback inhibition.b.Elevated levels of ADP will increase pathway activity in the electron transport chain.c.The rate of transport of electrons through the electron transport chain is regulated by feedback inhibition.
At the end of cellular respiration, how many molecules of NADH are there? Group of answer choices a)2 b)6 c)0 d)4 e)8
Which of the following statements is TRUE of the electron transport chain (ETC)? A. The movement of electrons down the ETC drives the formation of a proton (H+) gradient. B. The movement of H+ ions through ATP synthase drives the transfer of electrons down the ETC. C. The movement of electrons down the ETC drives the movement of ADP and phosphate through ATP synthase. D. The movement of H+ ions across the inner membrane of the mitochondria drives the transfer of electrons down the ETC.
Yeast have mitochondria and can perform cellular respiration. What would you expect to be consumed and produced during the process of cellular respiration in yeast?A. Glucose and O2 consumed; C02,H20, and energy produced B. Glucose, H20, C02, and energy consumed; O2 produced C. C02 and H20 consumed, glucose, O2, and energy produced D. C02 and energy consumed; H20, 02, and energy produced
Why is the formation of ATP by ATP synthase referred to as oxidative phosphorylation? A. A phosphate is transferred from oxygen to ADP to form ATP B. Oxygen provides the mechanical energy that is used to create ATP from ADP C. Oxygen is the final electron acceptor in the electron transport chain, which creates the proton gradient necessary to power ATP synthase D. ADP combines with oxygen to form ATP
For each molecule of glucose that enters cellular respiration, what would be the combined products of glycolysis, pyruvate oxidation, and the citric acid cycle? A) 4 ATP, 6 CO2, 10 NADH, and 2 FADH2 B) 1 ATP, 2 CO2, 3 NADH, and 1 FADH2 C) 4 ATP, 4 CO2, 6 NADH, and 3 FADH2 D) 2 ATP, 6 CO2 10 NADH, and 2 FADH2
Which stage of cellular respiration DOES NOT produce NADH? A. oxidative phosphorylation B. pyruvate oxidation C. glycolysis D. Krebs cycle
If the bacteria cell plasma membrane was damaged, what step of metabolism would be affected? Formation of NADH and FADH2 in glycolysis and the Krebs cycle. Formation of ATP in glycolysis. Formation of ATP in the Krebs cycle. Establishment of the hydrogen ion gradient in the Electron Transport System. Breakdown of glucose to pyruvic acid during glycolysis.