3) Indicate the order in which the metabolites in citric acid cycle are produced; acetyl CoA as 1 andoxaloacetate as 9.Metabolites in Citric Acid CycleOrderEnzyme involved in the formation ofthe metaboliteAcetyl CoA1Oxaloacetate9.Succinyl SCOAFumarateMalateCitrateSuccinatea-KetoglutarateIsocitrate

The three primary metabolic processes that occur in cells to create energy are known as aerobic…

Answered: 3) Indicate the order in which the…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Please state if the statements are true or false.1. A furanose is a sugar in the Haworth projection that contains a 5-member ring2. Under anaerobic condition, pyruvate is eventually converted to carbon dioxide
41.4 answer and explain
1. Biotin is an essential cofactor for carboxylases that transfer carbon dioxide. Choose one of the enzymes and describe the reaction and the role of biotin 2. Describe and discuss the metabolic roles of coenzyme A (CoA).
What is Xi RHI NH₂+ A. following biochemic pathway? CH a-ketoglutarate coenzyme PLP aminotransferase CH₂₁₂ glutamate D. B. NH X coenzyme TPP decarboxylase 0 E. CO₂ OH
CHOOSE THE CORRECT LETTER 1.Which of the following substrates is used in the first oxidation step of the Kreb's cycle to produce NAH and CO2?A. isocitrateB.a-ketoglutarateC. citrateD. succinyl-CoA 2.What is the reason for isomerization of citrate to isocitrate?A.The reaction converts a tertiary alcohol, which cannot easily be oxidized, to a secondary alcohol that can be oxidizedB. Isocitrate protects cells from the toxic effects of arsenite ion.C. The reaction is one major regulatory step for the citric acid cycle because it functions as a rate limiting step.D. Isocitrate is a substrate for a reaction that occurs spontaneously without enzymatic catalysis
1. Match the figure and the letter. The scheme of glycogen degradation: Enzyme: A. Phosphoglucomutase. B. al,6-glycosidase. C. Glycogen phosphorylase. D. Phosphatase. E. Oligosaccharyltransferase. 304 Chapter 6. Carbohydrate metabolism 888 2 утвенный cumem H,PO, Glucose-6-phosphate
10. General equation of anaerobic oxidation of glucose.
True or False 1. Cytochrome-mediated oxidation reactions are facilitated by microsomal enzymes. 2. Drugs bound to plasma proteins are ready for therapeutic action 3. Sublingual tablets, when administered , do not undergo absorption. 4. Generally, drugs with high lipid solubility are better absorbed into the bloodstream. 5. Urinary excretion of weakly basic drugs is enhanced by increasing the pH of the urine. 6. Most drugs are absorbed through active transport mechanisms. 7. Lying on the left side increases gastric emptying rate.
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…
19. Which of the following statements is true for the shown reactions? i C-S-COA CH₂ H₂C-C-OH CH₂ coo W Coo CH₂ C=0 I Acetyl-CoA CH3 x 214 Coo- 1 CH ₂ I CHOH CH3 Y A. Deficiency of oxaloacetate stimulates the formation of X and y B. Insulin signaling stimulates the formation of X and Y C. Both A and B D. Neither A nor B
6. Study the cycle below and answer the following 6.1 Provide a definition for the citric acid cycle 6.2 How many enzymatic reactions occur in this cycle 6.3 name THREE precursors for amino acid synthesis 6.4 state at which steps NADH and FADH₂ are produced Glucose-Acetyl-CoA Oxalbacolade Malate Fumarate 7 Succinate 2 Citrato Succinyl-CoA Aconitate 4 Isocrate Alpha-ketoglutarate
What is X in the following biochemical pathway? RH NH₂+ A. R CH a-ketoglutarate CH3 coenzyme PLP coenzyme TPP aminotransferase decarboxylase D. glutamate R B. NH X R E. 0 R C. CH CO₂ I OH R. H H

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