8. Which of the following members of the ETC does not pump any protons into theintermembrane space?A. Complex IB. Complex IIC. Complex IID. Complex IV9. Which of the following is an end product of the pentose phosphate pathway?A. PyruvateB. Ribulose-5-phosphateC. PhosphoenolpyruvateD. Glucose-6-phosphateE. Glyceraldehyde 3-phosphate

Electron Transport Chain (ETC). This component of aerobic respiration and the only component of…

Answered: 8. Which of the following members of…

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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4 Rank the following energy sources according to the order in which they would be used by skeletal muscle tissue that is undergoing a sudden burst of vigorous activity: (a) fatty acids 16 (b) phosphocreatine (c) blood glucose (d) glycogen Select one: OOOO a. c-a-d-b b. c-d-b→a c. b→a c→d d. b-d-c-a 31 105 Drox F OF JERDOSELI s = 1 JOXDANOM r 35 T 10 FO FO Report question issue
4. Pyruvate is the end-product of glycolysis. Many organisms, such as anaerobic bacteria, can only produce energy (ATP) by glycolysis, therefore, pyruvate has no more potential for ATP generation for these organisms. Rather than simply excrete pyruvate, this molecule is changed to another molecule such as lactate. In these organisms, why do you think pyruvate is changed to lactate and then excreted, rather than simply excreted?
1. The following unsaturated fatty acids can be found in seminal fluid and act on smooth muscles. a.Linoleic acids b.Oleic acids c.Prostaglandins d.Nervonic acids 2. The process involved when fatty acid chains covalently bonded to a glycerol molecule through an ester linkage is? a.hydrolysis b.oxidation c.phosphorylation d.esterification
3. When the cellular energy charge is high the cells diverts, into fatty acid synthesis. A. pyruvate. B. GTP. C. acetyl-CoA. D. Fructose-6-P. E. lactate.
A cell that produces glycoproteins that contain 8-9 mannose residues per sugar chain has a glycosylation enzyme defect in which of the following organelles? A. Endoplasmic reticulum B. Golgi apparatus C. Lysosomes D. Mitochondria E. Plasma membrane
1. What are hydrolase and lyase? 2. What is ligase and transferase? 3. What is isomerase and oxidoreductase
3
3
8. What is the class of the enzyme catalyzing the reaction of glucose activation? CH,OH CH,OPO,? Hexokinase OH + ATP OH + ADP + H* но OH ÓH Glucose Glucose 6-phosphate (G-6P) A. Oxidoreductases. B. Transferases. C. Isomerases. D. Hydrolases. E. Lyases. тет
28. all of the following enzymes are involved in gluconeogenesis except a. UDP-glucose pyrophosphorylase b. glucosidase c. phosphoglucomutase d. hexokinase
8. Which of the following ion transport functions must be carried out by a pump? a. transport of Na+ from the extracellular space to the cytosol b. transport of glucose from the extracellular space to the cytosol c. transport of K+ from the cytosol to the extracellular space d. transport of Na+ from the cytosol to the nucleus e. transport of Na+ from the cytosol to the extracellular space.
9. Which of the following statements is/are correct for the shown reaction? A CHg-c-s-col + CO - C-CH₂-C-S-COA A. The reaction occurs in the mitochondria B. The small molecule in box a is GTP C. The reaction is a committed step for fatty acid catabolism D. The reaction requires biotin E. None of the above

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