CUSTOM BIOLOGY
19th Edition
ISBN: 9781323945490
Author: Urry
Publisher: Pearson Custom Publishing
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Textbook Question
Chapter 9, Problem 1TYU
Level 1: Knowledge/Comprehension
- 1. The immediate energy source that drives ATP synthesis by ATP synthesis during oxidative phosphorylation is the
- (A) Oxidation of glucose and other organic compounds.
- (B) Flow of electrons down the electron transport chain.
- (C) H+ concentration gradient across the membrane holding ATP synthase.
- (D) Transfer of phosphate to ADP.
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Q1: Define ATP in your own words. Q2: How is ATP involved in anabolism and catabolism? (Hint: Review Figure 5.3.) Q3: Arsenic disrupts ATP production. Why would this characteristic cause it to be a potent poison?
Review your understanding of glycolysis, the Krebs cycle, and oxidative phosphorylation by classifying each characteristic below
according to its pathway for cellular energy transfer.
Enzyme location: Mitochondrial
matrix
Final product: Pyruvate (under
aerobic conditions)
Entering substrates: Acetyl
coenzyme A and some amino acid
intermediates
ATP production: 3 ATP from each
NADH + H+ and 2 ATP from each
FADH2
Entering substrates: glucose and
other monosaccharides
Final product 2 CO2 for each
acetyl coenzyme A
Final product: Intermediates used
for amino acid/organic molecule
synthesis
Enzyme location: Cytosol
Coenzyme production: 3 NADH +
3H- and 1 FADH2
Coenzyme production: 2 NADH +
2 H (under aerobic conditions)
ATP production: 2 per glucose
molecule
ATP production: 1 GTP formed
directly can be converted to ATP
Entering substrates Hydrogen
ions and molecular oxygen
Final product H2O - one molecule
for each pair of hydrogen ions
Enzyme location: Inner
mitochondrial membrane
Final…
Which of the following statements is not true? (a) Glycolysis is the first stage of cellular respiration. (b) Glycolysis can proceed under low oxygen levels with the assistance of fermentation. (c) Glycolysis produces less ATP than does either the Krebs cycle or oxidative phosphorylation. (d) Glycolysis produces most of the ATP required by aerobic organisms like us.
Chapter 9 Solutions
CUSTOM BIOLOGY
Ch. 9.1 - Compare and contrast aerobic and anaerobic...Ch. 9.1 - WHAT IF? If the following redox reaction...Ch. 9.2 - Prob. 1CCCh. 9.3 - Prob. 1CCCh. 9.3 - What process in your cells produce the CO2 that...Ch. 9.3 - Prob. 3CCCh. 9.4 - Prob. 1CCCh. 9.4 - WHAT IF? In the absence of O2 as in question 1,...Ch. 9.4 - MAKE CONNECTIONS Membranes must be fluid to...Ch. 9.5 - Consider the NADH formed during glycolysis. What...
Ch. 9.5 - WHAT IF? A glucose-fed yeast cell is moved from...Ch. 9.6 - MAKE CONNECTIONS Compare the structure of a fat...Ch. 9.6 - Prob. 2CCCh. 9.6 - Prob. 3CCCh. 9.6 - Prob. 4CCCh. 9 - Describe the difference between the two processes...Ch. 9 - Which reactions in glycolysis are the source of...Ch. 9 - What molecular products indicate the complete...Ch. 9 - Briefly explain the mechanism by which ATP...Ch. 9 - Prob. 9.5CRCh. 9 - Prob. 9.6CRCh. 9 - Level 1: Knowledge/Comprehension 1. The immediate...Ch. 9 - Prob. 2TYUCh. 9 - Prob. 3TYUCh. 9 - Prob. 4TYUCh. 9 - What is the oxidizing agent in the following...Ch. 9 - When electrons flow along the electron transport...Ch. 9 - Prob. 7TYUCh. 9 - Prob. 8TYUCh. 9 - Prob. 9TYUCh. 9 - Prob. 10TYUCh. 9 - INTERPRET THE DATA Phosphofructokinase is an...Ch. 9 - DRAW IT The graph here shows the pH difference...Ch. 9 - EVOLUTION CONNECTION AIP synthases are found in...Ch. 9 - SCIENTIFIC INQUIRY In the 1930s, some physicians...Ch. 9 - WRITE ABOUT A THEME: ORGANIZATION In a short essay...Ch. 9 - SYNTHESIZE YOUR KNOWLEDGE Coenzyme Q (CoQ) is sold...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Indicate whether each of the following is a true or false statement regarding ATP. in cellular respiration, the most ATP is made by the Krebs cycle ATP is commonly used by cells to lower the amount of energy needed for reactions to occur the energy from anabolic reactions can be used to make ATP some ATP is required to break down glucose into pyruvic acid a phosphate group is added to ADP to make ATP Choose... Choose... Choose... Choose... ♦ Choose...arrow_forwardExplain the "coupling" effect of ATP on catabolism and anabolism.arrow_forwarda) Explain how in oxygenated tissue your cells use your MITOCHONDRIA to produce energy: DESCRIBE the processes occurring in your MITOCHONDRIA (intermediate stage, Krebs, and ETC), Make sure to mention where those processes occur.b) How many ATP per glucose are formed in your mitochondria? Where are they formed?arrow_forward
- Describe with a summary picture the aerobic respiration from glucose (CHO) all the way to Co2 and water. Highlight, with yellow the flow of H (and then electrons and protons) and in red the ATP Include: inner membrane, outer membrane, matrix, intermembrane space glycolisis, Krebs cycle (citirc acid), e.t.c. (oxidative phosphorilation) ATP synthase, NADH dehydrogenase complex, cyt b-c1complex, cyt oxidase complex, ubiquinone, cytochrome-c glucose, pyruvate, acetyl-Co-A, H2O, O2, CO2, NADH, NAD+, FADH2, e-, H+, ATP, ADP +Pi direction of the arrows, inner membrane potential, gradient of protons, inner membrane transporters, outer membrane porinsarrow_forwardConsider the energy budget of glycolysis as a whole a) How many ATP's are made total? b) How many ATP's are invested (ATP --> ADP + Phosphate) c) How many ATP's does glycolysis of one glucose molecule net for the cell?arrow_forwardList the energy pathways of the body and how much ATP each one produces per 1 substrate. HINT: There should be four (two anaerobic and two aerobic).arrow_forward
- ‘High energy compounds’ exist in the metabolic pathways.(a). Define ‘high energy compounds.(b). What is the role of these ‘high energy compounds’ in the metabolicpathways?(c). Name two (2) categories of high energy compounds and for each, give oneexample.(d). Using ATP molecule, elaborate the reason why it is considered as a highenergy compound.arrow_forwardOrgan Specialization Describe which major metabolic pathways (glycolysis, glucogenesis, glycogenesis, glycogenolysis, PDH/CAC, fatty acid synthesis, beta oxidation, TAG synthesis, TAG hydrolysis) occur in the brain, muscle, liver, kidney and adipose tissuearrow_forwardBriefly explain the mechanism by which ATP synthase produces ATP.List three locations in which ATP synthases are found.arrow_forward
- For each of the following molecules determine how much ATP would be net from aerobic cellular respiration. Show your work. Which of the following produces the most energy? (a) Triglycerides are first digested into glycerol and fatty acids. The catabolism of this triglyceride yields: 1 DHAP molecule, 15 FADH2, 15 NADH, and 18 acetyl- COA. (b) Proteins are first digested into individual amino acids. Deamination removes the amine group from each amino acid. The resulting catabolism produces 12 pyruvate molecules.arrow_forwardWhen electrons flow along the electron transport chains ofmitochondria, which of the following changes occurs?(A) The pH of the matrix increases.(B) ATP synthase pumps protons by active transport.(C) The electrons gain free energy.(D) NAD+is oxidized.arrow_forwardak1: Why must the transfer of electrons from glucose to oxygen during aerobic respiration takes place in a series of steps? It is chemically impossible to transfer electrons directly from glucose to oxygen The energy of the electrons can be used to make ATP The energy of the protons can be used to make ATP The energy of the electrons can be used to make ADParrow_forward
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