What happens along an electron transport chain?
Homework Answers
What happens along an electron transport chain
Answer- Electrons are passed from a reducing agent to an oxidizing agent, releasing free energy at each step.
The electron transport chain is present in the inner mitochondrial membrane and is part of the electron transport chain.
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What happens along an electron transport chain?
What happens along an electron transport chain? Electrons are...
In the electron transport chain, protons are pumped across the cell membrane. This results in Multiple...
In the electron transport chain, protons are pumped across the cell membrane. This results in Multiple Choice 0 the reduction of NADH. 0 the creation of water. 0 the loss of electrons. O the formation of a proton motive force. 0 the release of CO2 In aerobic respiration, oxygen acts as 1 Multiple Choice 0 a coenzyme. 0 an electron carrier in the ETC. 0 an ATP synthase. 0 a reducing agent. • the terminal electron acceptor.
As high energy electrons are passed along the system of electron transport chain associated with photosystem...
As high energy electrons are passed along the system of electron transport chain associated with photosystem II, how does the chloroplast use this energy? A. It is used to phosphorylate NAD+ to NADPH B. It excites electrons of the reaction center of photosystem I. C. It is used to maintain a proton gradient for ATP synthesis D. It is used to break down a water molecule
Cellular respiration: The Electron Transport Chain The breakdown of glucose ends during the Krebs cydle; however,...
Cellular respiration: The Electron Transport Chain The breakdown of glucose ends during the Krebs cydle; however, it is important to note that the energy previously contained in glucose is mostly stored in NADH and FADHz. In the last step of celular respiration, the high-energy electrons within NADH and FADH2 are passed within a set of proteins found in the inner membrane of the mitochondrion, collectively known as the electron transport chain. The electrons provide the energy to create ATP, which...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed from one carrier to another releasing a little energy at each B) Hydrogen atoms are added to CO2 to make an energy-rich compound. C) Electrons are pumped across a membrane by active transport. D) Glucose is broken down to a three-carbon compound 28) After completion of the citric acid cycle, most of the usable energy from the one molecule is in the form of...
. When oxygen is depleted, the electron transport chain stops. What is happens when oxygen is...
. When oxygen is depleted, the electron transport chain stops. What is happens when oxygen is depleted? Select all that apply. The citric acid cycle would not change. The citric acid cycle would stop Fermentation would start ATP synthase would not change ATP synthase would stop
Question 37 (1 point) In cellular respiration, electrons are moved along a series of membrane proteins...
Question 37 (1 point) In cellular respiration, electrons are moved along a series of membrane proteins during the electron transport chain. If there was a mutation in the DNA coding for each of the proton pumps of the electron transport chain such that these proteins became non-functional, what would you predict to occur? NADH and FADH2 would have to donate their electrons directly to ATP synthase in order for ATP synthesis to occur. All electrons would have to be stripped...
Which electron carrier brings electrons to the electron transport chain via complex II? Which electron carrier...
Which electron carrier brings
electrons to the electron transport chain via complex II?
Which electron carrier brings electrons to the electron transport chain via Complex II? FADH_2 FAD NADH NAD^+ Which electron carrier brings electrons to the electron transport chain via Complex I? FADH_2 FAD NADH NAD^+ As the electron transport chain proceeds, electrons H^+ ions water CO_2 molecules are pumped into the intermembrane space cytoplasm matrix nucleus
QUESTION 24 Where are the cytochromes of the electron transport chain? B 200ned GU OBOCODOA QUESTION...
QUESTION 24 Where are the cytochromes of the electron transport chain? B 200ned GU OBOCODOA QUESTION 25 Glucose breakdown is o the removal of electrons from O2 that are eventually received by substrates o combined with carbon dioxide to form oxygen plus water o coupled with ATP breakdown o an endergonic reaction proceeding from low-energy molecules to high-energy molecules o an oxidation-reduction reaction QUESTION 26 In general, what happens during an oxidation-reduction reaction between two molecules? O A hydrogen atom...
Oxidative phosphorylation refers to O the electron transport chain coupled to glycolysis O the citric acid...
Oxidative phosphorylation refers to O the electron transport chain coupled to glycolysis O the citric acid cycle coupled to ATP synthesis O beta-oxidation coupled to ATP synthesis O the electron transport chain coupled to ATP synthesis QUESTION 8 Which ATP synthase subunit binds protons from the intermembrane space? OCO O Beta Alpha O Gamma QUESTION 9 Which ATP synthase subunit catalyzes the phosphorylation of ADP? O Alpha Beta O Gamma O C10
118) The electrons of the electron transport chain come from molecules produced during: glycolysis a) the...
118) The electrons of the electron transport chain come from molecules produced during: glycolysis a) the krebs cycle b) c) sugar metabolism d) all of the above a and b only e) 119) The electrons of the electron transport chain come from: a) NAD+ b) FAD+ NADH and FADH c) all of the above d) e) a and b 120) In feedback inhibition loop, which often serves as the allosteric inhibitor? a) The enzyme b) The starting compound c) ATP...
In the electron transport chain, protons are pumped across the cell membrane. This results in Multiple Choice 0 the reduction of NADH. 0 the creation of water. 0 the loss of electrons. O the formation of a proton motive force. 0 the release of CO2 In aerobic respiration, oxygen acts as 1 Multiple Choice 0 a coenzyme. 0 an electron carrier in the ETC. 0 an ATP synthase. 0 a reducing agent. • the terminal electron acceptor.
Cellular respiration: The Electron Transport Chain The breakdown of glucose ends during the Krebs cydle; however, it is important to note that the energy previously contained in glucose is mostly stored in NADH and FADHz. In the last step of celular respiration, the high-energy electrons within NADH and FADH2 are passed within a set of proteins found in the inner membrane of the mitochondrion, collectively known as the electron transport chain. The electrons provide the energy to create ATP, which...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed from one carrier to another releasing a little energy at each B) Hydrogen atoms are added to CO2 to make an energy-rich compound. C) Electrons are pumped across a membrane by active transport. D) Glucose is broken down to a three-carbon compound 28) After completion of the citric acid cycle, most of the usable energy from the one molecule is in the form of...
. When oxygen is depleted, the electron transport chain stops. What is happens when oxygen is depleted? Select all that apply. The citric acid cycle would not change. The citric acid cycle would stop Fermentation would start ATP synthase would not change ATP synthase would stop
Question 37 (1 point) In cellular respiration, electrons are moved along a series of membrane proteins during the electron transport chain. If there was a mutation in the DNA coding for each of the proton pumps of the electron transport chain such that these proteins became non-functional, what would you predict to occur? NADH and FADH2 would have to donate their electrons directly to ATP synthase in order for ATP synthesis to occur. All electrons would have to be stripped...
Which electron carrier brings
electrons to the electron transport chain via complex II?
Which electron carrier brings electrons to the electron transport chain via Complex II? FADH_2 FAD NADH NAD^+ Which electron carrier brings electrons to the electron transport chain via Complex I? FADH_2 FAD NADH NAD^+ As the electron transport chain proceeds, electrons H^+ ions water CO_2 molecules are pumped into the intermembrane space cytoplasm matrix nucleus
QUESTION 24 Where are the cytochromes of the electron transport chain? B 200ned GU OBOCODOA QUESTION 25 Glucose breakdown is o the removal of electrons from O2 that are eventually received by substrates o combined with carbon dioxide to form oxygen plus water o coupled with ATP breakdown o an endergonic reaction proceeding from low-energy molecules to high-energy molecules o an oxidation-reduction reaction QUESTION 26 In general, what happens during an oxidation-reduction reaction between two molecules? O A hydrogen atom...
Oxidative phosphorylation refers to O the electron transport chain coupled to glycolysis O the citric acid cycle coupled to ATP synthesis O beta-oxidation coupled to ATP synthesis O the electron transport chain coupled to ATP synthesis QUESTION 8 Which ATP synthase subunit binds protons from the intermembrane space? OCO O Beta Alpha O Gamma QUESTION 9 Which ATP synthase subunit catalyzes the phosphorylation of ADP? O Alpha Beta O Gamma O C10
118) The electrons of the electron transport chain come from molecules produced during: glycolysis a) the krebs cycle b) c) sugar metabolism d) all of the above a and b only e) 119) The electrons of the electron transport chain come from: a) NAD+ b) FAD+ NADH and FADH c) all of the above d) e) a and b 120) In feedback inhibition loop, which often serves as the allosteric inhibitor? a) The enzyme b) The starting compound c) ATP...
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