Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 6.7, Problem 1TYK
Summary Introduction
Introduction:
The citric acid cycle, also known by the name of Krebs’s cycle, was the product of discovery by German biochemist Hans Krebs. The cycle involves the conversion of pyruvate into Acetyl Coenzyme A (Co-A). This process of conversion yield energy-rich molecules of ATP (adenosine triphosphate).
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Below show the components of the electron transport chain. Put them in the proper order from first
to last.
1. Cytochrome-C Reductase
2. Cytochrome-C Oxidase
3. Ubiquinone
4. NADH Dehydrogenase
5. Cytochrome C
O 1,2,3,4,5
O 4,3,1,5,2
O 4,3,2,5,1
a. In complex IV in the electron transport chain electrons from cytochrome C is transferred to O2..
True or False
b. The protons transferred by complex III in the electron transport chain is enough for the synthesis of one ATP molecule.
True or False
An organism lives solely on Acetate. It has a normal Kreb’s Cycle. Its Electron Transport Chain accepts H from NADH at the first of 3 H pumps and H from FADH at the third of the 3 hydrogen pumps. Therefore, how many ATP does it produce per acetate molecule?
Chapter 6 Solutions
Principles of Biology
Ch. 6.1 - Which do you think has more entropy, an NaCl...Ch. 6.1 - Prob. 1TYKCh. 6.1 - Prob. 2TYKCh. 6.2 - Prob. 1CCCh. 6.2 - Prob. 2CCCh. 6.2 - Prob. 3CCCh. 6.2 - Prob. 1TYKCh. 6.2 - An inhibitor raises the Km for an enzyme but has...Ch. 6.3 - Prob. 1CCCh. 6.3 - Prob. 1TYK
Ch. 6.3 - Prob. 2TYKCh. 6.3 - Prob. 3TYKCh. 6.4 - Prob. 1CCCh. 6.4 - Prob. 1BCCh. 6.4 - Prob. 1TYKCh. 6.4 - Prob. 2TYKCh. 6.4 - Prob. 2CCCh. 6.5 - Prob. 1TYKCh. 6.6 - During the citric acid cycle, what happens to...Ch. 6.7 - Prob. 1CCCh. 6.7 - Prob. 2CCCh. 6.7 - Prob. 3CCCh. 6.7 - Prob. 1TYKCh. 6.7 - Prob. 2TYKCh. 6.7 - Prob. 3TYKCh. 6.8 - Prob. 1CCCh. 6.8 - Prob. 1TYKCh. 6 - According to the second law of thermodynamics....Ch. 6 - Reactions that release free energy are exergonic....Ch. 6 - Prob. 3TYCh. 6 - Prob. 4TYCh. 6 - Prob. 5TYCh. 6 - Prob. 6TYCh. 6 - Prob. 7TYCh. 6 - Prob. 8TYCh. 6 - Prob. 9TYCh. 6 - Prob. 10TYCh. 6 - Describe the mechanism and purpose of feedback...Ch. 6 - What causes the rotation of the y subunit of ATP...Ch. 6 - PRINCIPLES A principle of biology is that living...Ch. 6 - Discuss how life can maintain its order in spite...Ch. 6 - Prob. 2CBQ
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- The role of O2 in Oxidative Phosphorylation is at the start. to move electrons in the electron transport chain. BU to move H ions. at the end. to oxidize glucose € C barrow_forwardAn organism lives solely on Acetate. It has a normal Kreb’s Cycle and its Electron Transport Chain accepts H from NADH at the first of 3 H pumps and H from FADH at the third of the 3 hydrogen pumps. How many ATP does it produce per acetate molecule?arrow_forwardComplete the following table. Enter the number of molecules produced in each process during the complete oxidation of one molecule of glucose. Enter a 0 if none are produced. ATP NADH FADH2 CO2 H2O Acetyl CoA Pyruvate Glycolysis Pyruvate Oxidation Citric Acid Cycle ETC and Chemiosmosisarrow_forward
- Which of the following statements is right: Reduced NAD from Beta-oxidation is used to produce ATP in: 1. Electron Chain Transport and oxidizing phosphate binding 2. Glycolysis and oxidizing phosphate binding 3. Transamination 4. Citric Acid Cycle and oxidizing phospahe binding 5. None above are rightarrow_forwardSteps in oxidative phosphorylation involves all of the following except 11. a. The phosphorylation energy is supplied by ATP metabolism b. Electron transfer chain moves electron from NADH and FADH2 to O2 c. Phosphorylation of ADP to ATP catalyzed by ATP synthase d. Electron do not flow to oxygen unless ATP is needed 12. List factors that can activate glucokinase for glucose metabolism in the liver 13. What are the functions of macromolecules with examples? Write the general balanced equation that shows the catabolism of glucose (GLYCOSLYSIS) to ATPS, carbon dioxide, and water. Include in the equation the formation of ATP from ADP and phosphate and oxygen utilization. 14. 15. What is post-translational processing of proteins and list 3 things that can happen to the proteins synthesized at this stage:arrow_forwardWhich of the following statements about oxidative phosphorylation is correct? O H+ ions are transferred from Complex I or Complex II to ATP synthase where ATP production occ O Proton pumps transfer electrons from the cytosol to the mitochondrial matrix as electrons are tra O The chemical and electrical gradient is established between the intermembrane space and the ma electron carriers. O ATP synthase pumps electrons back to the intermembrane space as a consequence of electrocher mitochondrial matrix. • Previousarrow_forward
- Which of the following compounds involved in aerobic respiration can originate from the breakdown of proteins? Select all that apply. Citric acid cycle intermediates Acetyl-CoA Pyruvate PGALarrow_forwardNADH (Select all choices that apply) A. is an oxidized molecule B. is the reduced form of NAD+ C. is produced in photosynthesis non-cyclic reactions D. is responsible for allowing more ATP production than FADH2 E. plays a role in glycolysis, transition, Krebs cycle and the ETSarrow_forwardThe constituents of the electron transport chain O have similar ability to accept electrons. are formed of four protein complexes. catalyze the electrons transfer from NAD to O2. use the energy released from the oxidation of NADH to pump in H* protons.arrow_forward
- Briefly outline the electron flow in oxidative phosphorylation to describe how its function is directly coupled to ATP synthesis. Be sure to include where the electrons that feed into oxidative phosphorylation come from in your answer.arrow_forwardTrue or False compared with NAD+, electrons transferred to FAD lead to less proton translocation in the electron transport chain I chose FALSE and it was incorrect. Since the correct answer is TRUE, explain why it is so i can better understand where i went wrongarrow_forwardFADH2 is a less powerful reducing agent (electron donor) than NADH. What is the consequence of this in oxidative phosphorylation? FADH, requires more steps than NADH does in electron transport to become oxidized. The electrons from FADH2 enter electron transport at a higher energy level than the electrons from NADH. A molecule of FADH, is only capable of producing 2 molecules of ATP, while a molecule of NADH is capable of producing 3 molecules of ATP. Oxidation of FADH, occurs in the cytoplasm of the cell, while oxidation of NADH occurs in the mitochondria. FADH, can only donate 1 phosphate group to ATP, while NADH can donate 2 phosphate groups to ATP.arrow_forward
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