Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 6.7, Problem 3TYK
Summary Introduction
Introduction:
The adenosine triphosphate (ATP) synthase is known to be a rotary machine having moving parts that are powered by a source of energy. It is involved in the process of synthesizing ATP.
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Which of the following regarding the ATP Synthase is INCORRECT?
Protons flow through the a and c subunits
The translocation of four protons through the ATP synthase fuels the synthesis
of one ATP molecule
The F1 domain can function as an ATPase
The y subunit rotates while the xß dimers are stationary
Which part of the F1Fo ATP synthase is responsible for ATP production?
the c subunits of the Fo mobile component
the a subunit of the Fo static component
the gamma subunit of the F1 mobile component
the beta subunits of the F1 static component
H+ passes through ATP Synthase actively.
Group of answer choices
False
True
No answer text provided.
No answer text provided.
Chapter 6 Solutions
Principles of Biology
Ch. 6.1 - Which do you think has more entropy, an NaCl...Ch. 6.1 - Prob. 1TYKCh. 6.1 - Prob. 2TYKCh. 6.2 - Prob. 1CCCh. 6.2 - Prob. 2CCCh. 6.2 - Prob. 3CCCh. 6.2 - Prob. 1TYKCh. 6.2 - An inhibitor raises the Km for an enzyme but has...Ch. 6.3 - Prob. 1CCCh. 6.3 - Prob. 1TYK
Ch. 6.3 - Prob. 2TYKCh. 6.3 - Prob. 3TYKCh. 6.4 - Prob. 1CCCh. 6.4 - Prob. 1BCCh. 6.4 - Prob. 1TYKCh. 6.4 - Prob. 2TYKCh. 6.4 - Prob. 2CCCh. 6.5 - Prob. 1TYKCh. 6.6 - During the citric acid cycle, what happens to...Ch. 6.7 - Prob. 1CCCh. 6.7 - Prob. 2CCCh. 6.7 - Prob. 3CCCh. 6.7 - Prob. 1TYKCh. 6.7 - Prob. 2TYKCh. 6.7 - Prob. 3TYKCh. 6.8 - Prob. 1CCCh. 6.8 - Prob. 1TYKCh. 6 - According to the second law of thermodynamics....Ch. 6 - Reactions that release free energy are exergonic....Ch. 6 - Prob. 3TYCh. 6 - Prob. 4TYCh. 6 - Prob. 5TYCh. 6 - Prob. 6TYCh. 6 - Prob. 7TYCh. 6 - Prob. 8TYCh. 6 - Prob. 9TYCh. 6 - Prob. 10TYCh. 6 - Describe the mechanism and purpose of feedback...Ch. 6 - What causes the rotation of the y subunit of ATP...Ch. 6 - PRINCIPLES A principle of biology is that living...Ch. 6 - Discuss how life can maintain its order in spite...Ch. 6 - Prob. 2CBQ
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- Which of the following is a product of the first stage of the pentose phosphate pathway? Group of answer choices carbon dioxide a phosphorylated version of the coenzyme NADH ribose 5-phosphate more than one correct responsearrow_forwardATP is NOT directly produced by which of the following reactions? glycolysis the preparatory reaction the TCA cycle the electron transport chain and oxidative phosphorylation all of these produce ATP directlyarrow_forwardWhich of the following statements concerning oxidative phosphorylation is false? Group of answer choices: The electron transport chain generates an electrochemical gradient that drives the production of ATP. ATP synthase with fewer subunits in its c ring will produce more ATP per proton. A “loose” β subunit of ATP synthase becomes a “tight” site as it produces ATP. When the supply of NADH and QH2 (ubiquinol) decreases, ATP synthase produces more ATP.arrow_forward
- The steps of glycolysis between glyceraldehyde 3-phosphate and 3-phosphoglycerate do NOT involve: Group of answer choices ATP synthesis. catalysis by phosphoglycerate kinase. oxidation of NADH to NAD+. the formation of 1,3-bisphosphoglycerate.arrow_forwardWhich part of the FoF1 ATP synthase is the pore through which protons (H+) move? the a subunit of the Fo static component the gamma subunit of the F1 mobile component the beta subunits of the F1 static component the c subunits of the Fo mobile componentarrow_forwardIf carbohydrates are unavailable for cellular respiration, other organic molecules can be broken down and enter the cellular respiration process at the appropriate spot. Proteins can be broken down into a variety of amino acids. Some amino acids can be converted into glutamate which can then be converted into alpha ketoglutarate. State which steps of the cellular respiration pathway lead to the generation of the energy molecules. State the TOTAL number of ATP molecule the ONE of these converted alpha-ketoglutarate molecules can produce and explain how all the ATP molecules are generated.arrow_forward
- Which of the following statements is false concerning the ‘tight binding site’ of ATP Synthase within the natural environment of the mitochondria? Group of answer choices ATP is released from the tight binding site This is a binding site found within an αβ subunits of the F1 portion of ATP Synthase The tight binding forces the reaction of ADP + Pi → ATP The tight binding site has the lowest KM for ATParrow_forward2 ATPS are made in and 2 ATPS are made in Phosphorylation, that results from the direct by. transfer of a phosphate group to ADP to form ATP. The majority of ATP is made in the last stage, by a process called phosphorylation.arrow_forwardIf carbohydrates are unavailable for cellular respiration, other organic molecules can be broken down and enter the cellular respiration process at the appropriate spot. Proteins can be broken down into a variety of amino acids. Some amino acids can be converted into glutamate which can then be converted into alpha-ketoglutarate. State which steps of the cellular respiration pathway lead to the generation of the energy molecules. State the TOTAL number of ATP molecules the ONE of these converted alpha-ketoglutarate molecules can produce and explain how all the ATP molecules are generated. Draw the stages that the molecule is going through in order to produce those ATPs.arrow_forward
- A poison that prevents the transfer of electrons from the last [Fe-S] cluster of Complex I to coenzyme Q is added to a suspension of actively respiring mitochondria. Which of the following will be observed? ATP production would be impaired due to the uncoupling of oxidative phosphorylation from electron transport. ATP production would be reduced due to inhibition of the CoQ subunit of ATP synthase. ATP production would be reduced due to a decrease in the number of protons pumped out of the mitochondrial matrix. ATP production would be halted completely due to the block in electron transport through the electron transport chain.arrow_forwardThe proton-motive force drives the rotation of the Y subunit of ATP synthase. This creates conformational changes in the active sites of ATP synthase that accelerate the rate of bond formation between ADP and P, through the stabilization of a tetrahedral intermediate. True Falsearrow_forwardWhich of the following statements is correct about oxidative pentose phosphate pathway? Group of answer choices It generates NADH It oxidizes NADPH to NADP+ The pathway supplies ribose 5-phosphate and NADPH in the quantities the cell requires Glucose 6-phosphatase catalyzes the rate-limiting reaction of the pathwayarrow_forward
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