Answered: Question 24 Which of the following are… | bartleby

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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Question 24
Which of the following are biological functions of the citric acid cycle?
Completing the reduction af carbon trom glucose to CO,
O Praduction of GTP which can be interconverted with ATP
O Praduction of ribese 5 phosphate
D Generation of FADH2
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Question 7 The uncoupling agent 2,4-dinitrophenol (DNP) has a pką of about 7.2. Which of the following describes how this molecule works to uncouple the proton gradient? NO2 O2N- 2,4-Dinitrophenol (DNP) DNP is initially protonated in the intermembrane space, then deprotonated after crossing to the matrix, thus dissipating the proton gradient. DNP is initially deprotonated in the intermembrane space, then protonated after crossing to the matrix, thus dissipating the proton gradient. O c) None of the answers is correct. DNP is initially deprotonated in the matrix, then protonated after crossing to the intermembrane space matrix, thus dissipating the proton gradient. DNP is initially protonated in the matrix, then deprotonated after crossing to the intermembrane space matrix, thus dissipating the proton gradient.
QUESTION 35 During aerobic cellular respiration, energy travels downhill in which sequence? o Food molecules → ATP → electron transport chain → oxygen O Food molecules → NADHH electrochemical gradient → ATP o Food molecules → pyruvate → ATP oxygen O Food molecules → citric acid cycle → ATP→ NAD* o Food molecules → glycolysis → FADH2 → 02 ATP
QUESTION 1 As your first experiment as a graduate student, your advisor asks you to reconstitute purified bacteriorhodopsin, a light- driven H+ pump from the plasma membrane of photosynthetic bacteria, and purified ATP synthase from ox-heart mitochondria together in the same membrane vesicles, as shown on the right. You work out a method so that all of the bacteriorhodopsin pumps H+ in one direction, into the vesicles. You then add ADP and Pi to the external medium and shine light onto the suspension of vesicles. What do you observe? purified ATP synthase purified bacteriorhodopsin detergent ADD PHOSPHOLIPIDS AND REMOVE DETERGENT LIGHT sealed vesicle (liposome) Figure Q14-18 Essential Cell Biology ale te Garland Science 2010) A NO ATP synthesis since no electron transport occurs. B. ATP synthase makes ATP. CATP synthase hydrolyzes ATP to pump H+ into the vesicles. D.No ATP synthesis since no H+ gradient is created. Click Save and Submit to save and submit. Click Save All Answers to…
QUESTION 11 The reaction shown here ATP +H2O --> ADP + Pi is an example of a reduction reaction. the part that produces energy to drive endergonic reactions. the part that uses energy from endergonic reactions. an oxidation reaction. O O
Question 7 The malate transporter in the mitochondrial inner membrane is involved in two important biochemical processes: one catabolic, and one anabolic. What are they? Transport of NAD* from glycolysis from the cytosol to the matrix for oxidative phosphorylation, and the last step of glycolysis O A. The citric acid cycle, and the last step of glycolysis OB. The glycerol 3-phosphate shuttle system, and the first gluconeogenesis bypass Transport of FADH, from beta oxidation from the cytosol to the matrix for oxidative phosphorylation, and the first gluconeogenesis bypass OF Transport of NADH from glycolysis from the cytosol to the matrix for oxidative phosphorylation, and the first gluconeogenesis bypass
Question 3 Complete oxidation of a 16-carbon fatty acid can yield 129 molecules of ATP. How many ATP molecules would be generated if a 16-carbon fatty acid were metabolized solely by the TCA cycle in the form of only 8 Acetyl CoA molecules? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. b 8. d 12 e 15 f 32 38 30 i 2 Unanswered A Save 4.
Question 5 Which of the following subunits of ATP synthase is correctly described? a: site of ATP synthesis y: protons are transferred to this subunit, determines the number of protons transferred per ATP formed a: contains two half channels for transferring protons across the membrane
Question 1. Which molecules below are converted into ATP during the last step of the metabolism? (check all that apply) Glucose FADH2 NADH OAcetyl CoA OPyruvate
Question 4 Which of the following statements concerning glycolysis is correct? O The pathway for the process is a cyclic pathway O Molecular O2 is not needed for the process to occur O Glucose is converted to a molecule of pyruvate in the process. O It occurs in the mitochondrial matrix
Question 13 Describe the four complexes of the electron transport chain. What are the carriers used to move electrons between complexes.
Question 16 In the skeletal muscle, insulin increases fatty acid synthesis by up regulation of which pathway? O A. Oxidative phosphorylation O B. Glycolysis O C. Glycogenesis O D. Lipolysis O E. B oxidization
Question:- 1.) If 2 molecules of glucose enters glycolysis, a total of how many carbon dioxide molecules are released after Krebs Cycle including those released during pyruvate processing?

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