Homework Answers
B) Decrease; As the drug blocks ETC, as a result makes the protons impermeable through the inner mitochondrial membrane. Due to this water molecules synthesis rate reduces.
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What would happen to the rate of O2 reduction to water if you add a drug...
2. What would happen to each of the following if reduced the supply of glucose to...
2. What would happen to each of the following if reduced the supply of glucose to cells by 50%? You may assume that the cell will NOT switch to an alternative energy source. Briefly explain why for each. A. The level of glycolysis activity. B. The level of Krebs Cycle activity. C. The level of activity in the electron transport chain in the mitochondria. D. The size of the proton gradient across the inner mitochondrial membrane. E. The rate of...
BIOL200, Exercise 11+12 Fill in the table below for cellular respiration and each stage of cellular...
BIOL200, Exercise 11+12 Fill in the table below for cellular respiration and each stage of cellular respiration Stage Products Where Does it Occur Starting Molecules Co, released? (Y/N) 0, Used? (Y/N) Cellular Respiration Glycolysis Pyruvate Processing/Oxidation Krebs Cycle Oxidative Phosphorylation Electron Transport Chemiosmosis 1. What would happen if you stopped cellular respiration in an animal? Briefly explain your answer 4. What would happen to each of the following if we add a chemical that destroys the H+ gradient across the...
21) Which process in eukaryotic cells will normally proceed whether O2 is present or absent? A)...
21) Which process in eukaryotic cells will normally proceed whether O2 is present or absent? A) oxidative phosphorylation B) glycolysis C) Krebs cycle D) electron transport 22) The direct energy source that drives ATP synthesis during respiratory oxidative phosphorylation is A) thermodynamically favorable transfer of phosphate from glycolysis and Krebs cycle intermediate molecules of ADP. B) the thermodynamically favorable flow of electrons from NADH to the mitochondrial electron transport carriers. C) the final transfer of electrons to oxygen. D) the...
QUESTION 38 Yyu add a chemical that blocks the light-dependent reactions. What happens to the rate...
QUESTION 38 Yyu add a chemical that blocks the light-dependent reactions. What happens to the rate of the Calvin Cycle and why - be specific QUESTION 39 You add a chemical that blocks the Calvin Cycle. What happens to the rate of the light-dependent reactions and why - be specific QUESTION 40 Assume we add a chemical that blocks the reduction of NADP+ to NADPH at the end of the electron transport chain in the light dependent reactions of photosynthesis....
Consider what will happen to a cell if dinitrophenol (DNP) is added to cause a partial...
Consider what will happen to a cell if dinitrophenol (DNP) is added to cause a partial dissipation of the electrochemical gradient across the mitochondrial inner membrane, reducing the gradient from 200 mV to 100 mV. a. Will oxygen consumption increase or decrease? Will proton pumping increase or decrease? Explain. b. Will the ratio of ATP to ADP in the mitochondria increase or decrease? Explain. c. Although it is now banned due to the dangers involved, in the past DNP was...
The oxidation of one NADH by Complex 1 pumps H+ into the inner mitochondrial space b) 2 Trick que...
Please answer all questions! Have a great day! They are biochem
questions
The oxidation of one NADH by Complex 1 pumps H+ into the inner mitochondrial space b) 2 Trick question. H are pumped into mitochondrial matrıx The reduction of O2 to water has a standard reduction potential of 815 mV. Thermodynamically this reaction is spontaneous a) True b) False c) Depends upon whether AS is positive or negative d) Depends upon whether AH is positive or negativie Q cycles...
What would happen if a separate channel protein was produced in the mitochondrial inner membrane that...
What would happen if a separate channel protein was produced in the mitochondrial inner membrane that allowed protons to flow back into the mitochondrial matrix without producing ATP?
Which of the following would most likely be true in the presence of an uncoupling agent?...
Which of the following would most likely be true in the presence of an uncoupling agent? A) Electron transport at the inner mitochondrial membrane would cease. B) The energy from the proton-motive force would likely be dissipated as heat rather than in producing ATP from ADP. C) H+ ions would flow through the inner membrane into the intermembrane space. D) There would be an increase in biosynthesis.
what would happen to the 3rd stage of respiration if we add a "drug" that takes...
what would happen to the 3rd stage of respiration if we add a "drug" that takes electrons away from NADH or FADH2 and stores/holds onto electrons permanently?
6) Explain what would happen if someone took the drug DNP (dinitrolphenol). DNP allows H+ ions...
6) Explain what would happen if someone took the drug DNP (dinitrolphenol). DNP allows H+ ions to flow down the concentration gradient and across the inner mitochondrial membrane without going through the ATP Synthase. Why would this be a problem for Cell Respiration? You may want to refer to your diagram of the ETC to help you. Answer this in 3-5 well crafted sentences. 7) Describe what happens to the free energy of the carbon molecules through Cell Respiration. Your...
2. What would happen to each of the following if reduced the supply of glucose to cells by 50%? You may assume that the cell will NOT switch to an alternative energy source. Briefly explain why for each. A. The level of glycolysis activity. B. The level of Krebs Cycle activity. C. The level of activity in the electron transport chain in the mitochondria. D. The size of the proton gradient across the inner mitochondrial membrane. E. The rate of...
BIOL200, Exercise 11+12 Fill in the table below for cellular respiration and each stage of cellular respiration Stage Products Where Does it Occur Starting Molecules Co, released? (Y/N) 0, Used? (Y/N) Cellular Respiration Glycolysis Pyruvate Processing/Oxidation Krebs Cycle Oxidative Phosphorylation Electron Transport Chemiosmosis 1. What would happen if you stopped cellular respiration in an animal? Briefly explain your answer 4. What would happen to each of the following if we add a chemical that destroys the H+ gradient across the...
21) Which process in eukaryotic cells will normally proceed whether O2 is present or absent? A) oxidative phosphorylation B) glycolysis C) Krebs cycle D) electron transport 22) The direct energy source that drives ATP synthesis during respiratory oxidative phosphorylation is A) thermodynamically favorable transfer of phosphate from glycolysis and Krebs cycle intermediate molecules of ADP. B) the thermodynamically favorable flow of electrons from NADH to the mitochondrial electron transport carriers. C) the final transfer of electrons to oxygen. D) the...
QUESTION 38 Yyu add a chemical that blocks the light-dependent reactions. What happens to the rate of the Calvin Cycle and why - be specific QUESTION 39 You add a chemical that blocks the Calvin Cycle. What happens to the rate of the light-dependent reactions and why - be specific QUESTION 40 Assume we add a chemical that blocks the reduction of NADP+ to NADPH at the end of the electron transport chain in the light dependent reactions of photosynthesis....
Consider what will happen to a cell if dinitrophenol (DNP) is added to cause a partial dissipation of the electrochemical gradient across the mitochondrial inner membrane, reducing the gradient from 200 mV to 100 mV. a. Will oxygen consumption increase or decrease? Will proton pumping increase or decrease? Explain. b. Will the ratio of ATP to ADP in the mitochondria increase or decrease? Explain. c. Although it is now banned due to the dangers involved, in the past DNP was...
Please answer all questions! Have a great day! They are biochem
questions
The oxidation of one NADH by Complex 1 pumps H+ into the inner mitochondrial space b) 2 Trick question. H are pumped into mitochondrial matrıx The reduction of O2 to water has a standard reduction potential of 815 mV. Thermodynamically this reaction is spontaneous a) True b) False c) Depends upon whether AS is positive or negative d) Depends upon whether AH is positive or negativie Q cycles...
6) Explain what would happen if someone took the drug DNP (dinitrolphenol). DNP allows H+ ions to flow down the concentration gradient and across the inner mitochondrial membrane without going through the ATP Synthase. Why would this be a problem for Cell Respiration? You may want to refer to your diagram of the ETC to help you. Answer this in 3-5 well crafted sentences. 7) Describe what happens to the free energy of the carbon molecules through Cell Respiration. Your...
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