Which of the following is incorrect about the ATP synthase?○ a. - The Fo and F₁ components are connected through the gamma subunitO b. None; all the other choices are correctC. The c ring rotates as H* are translocated to the matrixO d. Rotation of the c ring causes the gamma subunit to rotate

ATP synthase or FoF1ATPase is an ubiquitous enzyme that uses the transmembrane electrochemical…

Answered: Which of the following is incorrect…

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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Choose any/all that apply to the proton-motive force and ATP synthesis. The active pumping of protons through ATP synthase against their concentration gradient provides the energy needed for ATP synthesis. Rotation of the y subunit creates conformational changes in the active sites of ATP synthase that drive the release of ATP from the enzyme. Each 3 subunit of ATP synthase has a distinct amino acid sequence that accounts for the three different active sites present in the enzyme. The ATP molecules produced from the pair of electrons provided by NADH have greater potential energy than the ATP molecules produced from the pair of electrons provided by FADH₂. Inhibition of either ATP synthase or ATP translocase will stop flux through the electron- transport chain.
Different enzymes that catalyse the same reaction are called O A. isoenzymes O B. holoenzymes O C. cofactors O D. coenzymes O E. agonists Which statement concerning the glycolytic and gluconeogenic pathways is correct? O A. Both are catabolic. O B. Both are anabolic. O C. Gluconeogenesis is catabolic while glycolysis is anabolic. O D. Gluconeogenesis is anabolic while glycolysis is catabolic. O E. Gluconeogenesis occurs in brain and glycolysis occurs in muscle. In lactic acid fermentation, which substance is oxidized and which is oxidized? O A. Lactate is reduced and NAD* is oxidized. OB. Lactate is reduced and pyruvate is oxidized. OC. Pyruvate is reduced and NADH is oxidized. O D. NADH is reduced and pyruvate is oxidized. O E. Lactate is oxidized and NADH is reduced.
V-class proton pumps run backward relative to the F-class ATP synthase. Consider the cartoon, which shows the conformations of the beta-subunits and ATPIADP + Pj of the F-class synthase. Which of the following associations between the conformation of the beta subunit and ATP/ADP + P¡ is correct for V- Binding Change Mechanism loose binding ADP+P ATP ATP class pumps? C repeat ADP + P, ADP АТР tight binding АТР +P оpen АТР O The open conformation releases ATP. Hydrolysis of ATP to ADP + P¡ drives the change from tight to loose. O Binding of ADP + P¡ drives change from open to loose. Hydrolysis of ATP to ADP + Pj drives the change from open to loose.
The figure below shows that Adenosine P ATP Triphosphate P O A ADP can perform cellular work when it binds to an additional phosphate group O B. ATP can perform cellular work when it releases a phosphate group O C.ATP can be converted to ADP by adding a phosphate group ⒸD. energy is released from ATP during the process of cellular respiration Energy Adenosine ADP Diphosphate P P + P Phosphate (transferred to another molecule)
Which of the following conditions will produce active glycogen phosphorylase? AMP АТР Phosphorylation of Serine 14 Glucose Glucose-6-Phosphate Phosphorylation of Serine 14 and AMP Phosphorylation of Serine 14 and ATP
The F-class ATP synthase and the V-class proton pumps are similar in many ways. How are they different? their subunit composition the ion with which they interact none of the above their subcellular localization
x 'x Paragraph Font Activate ures of Word have been disabled because it hasn't been activated. Use the lettered items below to correctly identify the numbered items (86 to 97) in the dia- "Io aoo) an ouo sasaodsar mod proay uRS 6 NADH 2 ATP (net) 2 NADH 36 or 38 ATP 6 ATP 2 ATP 18 ATP 4 ATP 4 FADH, 4 or 6 ATP 2 FADH, # ATP ascon glycolysis 88 68 Pyruvate L6 06 acetyl CoA 91 Krebs 93 92 cycle 94 95 Total Theoretical ATP Yield%3D 96
Which of the following which of the following reactions is an endergonic reaction that could occur in a cell, but only if coupled to the hydrolysis of ATP? ( delta G= -32 kJ/ mol)?
fill in the blanks ATP synthesis occurs at the ( ) subunit of ATP syntahase via conformational changes to the ( ) protein subunit.
Which of the following is incorrect about the enzyme chymotrypsin? a. It catalyzes the addition of water across a double bond O b. It is known as a serine protease O c. Artificial substrates are used to monitor the reaction catalyzed by the enzyme d. It is classified as a hydrolase
The iron in the iron-heme complex of cytochromes: a. goes from Fe3+ to Fe2+ by the loss of one electron b. always remains in the ferrous (Fe2+) state as in hemoglobin c. goes from Fe2+ to Fe3+ by the addition of one electron d. flip-flops between the reduced (Fe2+) and oxidized (Fe3+) states
Describe the main functions of the different components of the ATP synthase enzyme in the mitochondrion. A structurally similar enzyme is responsible for the acidification of lysosomes and endosomes. Given what you know about the mechanism of ATP synthesis, explain how this acidification might occur.

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Which of the following is incorrect about the ATP synthase? O a. The Fo and F₁ components are connected through the gamma subunit O b. None; all the other choices are correct Oc. The c ring rotates as H* are translocated to the matrix Od. Rotation of the c ring causes the gamma subunit to rotate