please help me in answering all even without explanation d. yield a greater number of products compared to anabolic reactionsPRE-ASSESSMENTChoose the letter of the best answer.All are characteristics of catabolic reactions excepta. have energy-poor productsb. capture energy in the form of ATPC. require coenzyme like NAD*1.2. Which of the following is a reduced molecule?a. FADFADH2b.NAD*d. NADP*C.3. How many complexes are involved in oxidative phosphorylation?ab.4.C.d.Which is not a catabolic pathway?Lipogenesis4.a.b. Lipogenolysisc. Glycolysisd. B-oxidation of fatty acidsWhich transport system shuttles fatty acyl CoA to the outer membrane ofmitochondria?5.a. CAT Ib.GLUT ICAT IId. GLUT IIC.6. Anabolic pathway takes place in thea. Cytoplasmb. MitochondriaSmooth endoplasmic reticulumd. NucleusC.7. Catabolism takes place ina. Cytoplasmb. MitochondriaSmooth endoplasmic reticulumd. NucleusС.8. The ribose sugar needed for the synthesis of nucleic acids are provided bya. Gluconeogenesisb. Pentose phosphate pathwayc. Glycolysisd. Krebs cycle9.Which of the following extremely toxic molecule has to be excreted in the formof urea?a. Ammoniumb. Carbamoyl phosphateOrnithined. CitrullineC.

1> answer is D 2> FADH2 is a reduced molecule FAD reduced to FADH2. 3>option c. 4…

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Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter20: Electron Transport And Oxidative Phosphorylation

Section: Chapter Questions

Problem 19P

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1. Choose all the correct answers. Enzyme catalyzing this reaction: COO CO0 но C-H + NAD* CH2 + NADH + H* CH2 лвенный тет CoO COO L-Malate Oxaloacetate A. Belongs to the class of transferases. B. Belongs to the class of oxidoreductases. C. Is a simple enzyme. D. Is a holoenzyme.
Uncouplers of oxidative phosphorylation are all expect: Select one: O a. thermogenin O b. dinitrocresol O c. antimycin A O d. 2,4 dinitrophenol
CHOOSE THE CORRECT LETTER ONLY. PLS ANSWER 1.Oxygen is the final electron acceptor in the electron transprt systemA. TrueB.False 2.Glycolysis is favored when there is high sugar in the blood. Glycolysis is a catabolic pathwaYA.Only the first statement is correctB. Only the second statement is correctC.Both statements are correctD.Neither statements are correct 3.The combined processes of electron and H+ transport and subsequent ATP synthesis is called which of the following?A. substrate level phosphorylationB. oxidative phosphorylationC. photophosphorylationD. cellular phosphorylation
7. Identify this type of met abolism. Complete the diagram for A B, andC. ( Glucose NADH ATP LAB: What is the goal of a successful Streak Plate procedure? How does this help us when we look at Koch's Postulates? 8. 9. LAB: When looking at the results of your streak plate: a. Were you successful? If so, how do you know? b. If not, what might have not gone wel? c. What was the goal of streak plating?
3. Distinguish the correct statements about oxidative phosphorylation. I. 1 poir Oxidative phosphorylation generates ATP by transferring phosphate group directly to ADP molecule. II. Oxidative phosphorylation occurs inside mitochondria and the source of energy is from sunlight. II. Oxidative phosphorylation occurs inside mitochondria and the source of energy is from glucose. IV. Oxidative phosphorylation is based on electrons moving through ETC and production of a proton-motive force that drives ATP synthase. A. I & II O B. I & II O C. II & IV D. III & IV pc FATD
III. Match the item to each step in the Krebs Cycle. a. isocitrate f. oxaloacetate g. sulfur h. a-ketoglutarate i. fumarate j. ATP b. succinate C NAD d. malate e. succinyl-CoA 85. What molecule is formed when GTP is oxidized to form GDP? 86. What molecule is formed when FAD is reduced? 87. Which molecule must be reduced so that oxaloacetate is formed? IV. Match each compound to a step that of the Light-Dependent Reaction. a. P700 b. P680 . P680 d. ATP synthase e. PhotosystemI f. electron acceptor g. electron carrier h. chlorophyll II. i. NADPH reductase j. b. - f complex 88. Light photons excite electrons from this part of the Reaction Centre. 89. The enzyme that helps remove electrons from the thylakoid. 90. The enzyme that acts to form ATP with chemiosmosis. V. Match the enzyme or protein to the replication process. a. DNA polymerase l b. DNA polymerase I| . DNA polymerase III d. primase e. DNA ligase f. helicase g. single-strand-binding proteins h. topoisomerase Il 91. Unwinds helix…
Match the type of reaction with the number of times it takes place in the citric acid cycle P. Hydration-dehydration I. One Q. substrate-level phosphorylation II. Two III. Four R. Decarboxylation S. Oxidation-reduction a. P-III, Q-I,R,S-II b. P,R-II, Q-I, S-III c. P-II, Q,R-III,S-I d. P-I, Q-II,R,S-III
Directions: Write the letter of the best answer on a separate sheet of paper. 1. A structure that composed of sugar ribose, nitrogen base adenine and a chain of 3-phosphate groups. a. ADP b. ATP C. NADH+ d. Nucleus 2. The process of breaking down bonds between the phosphate groups; this happens when a water molecule breaks the terminal phosphate bond a. Hydrolysis of ATP b. Phosphorylation C. Oxidation d. Reduction 3. A separation technique used to identify various components of mixtures based on the differences in their structure and/or composition. a. Phosphorylation b. Dephosphorylation C. Hydrolysis d. Chromatography 4. Are substances that absorb visible light; different pigments absorb light of different wavelengths. a. Chlorophyll b. Photon c. Pigments d. Light energy 5. The greenish pigment found in the thylakoid membrane inside the chloroplast of a plant cell. a. Light energy b. Chlorophyll C. Photon d. Pigments
d. not Riboflavin gives rise to cofactors: Select one: a. All of them b. FAD; FADH2 c. NAD+; NADH d. Coenzyme A
All are characteristics of catabolic reactions except a. have energy poor products b. capture energy in the form of ATP c. require coenzyme like NAD+ d. yield a greater number of products compared to anabolic reactions
CHOOSE THE CORRECT LETTER 1.What kind of cells often use the glycerol-phosphate shuttle?A.brainB. heartC.liverD. kidney 2.What is the net ATP yield of the complete glycolysis of 5 molecules of glucose?A. 4B. 5C. 10D. 12 3.Which of the following substrates is used in the first oxidation step of the Kreb's cycle to produce NADH and COy?A. isocitrateB. a-ketoglutarateC. citrateD. succinyl-CoA
CHOOSE THE CORRECT LETTER 1.What defines the sum of all biochemical reactions of an organism?A.EmbolismB. MetabolismC. AnabolismD. Catabolism 2.Which of the following biochemical reactions is NOT a catabolic reaction?A.GlycogenolysisB. GluconeogenesisC. Citric Acid CycleD.Glycolysis

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