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Treatment of vesicles with an uncoupler that allows protons to freely move across the vesicle membrane...
Investigators introduce two proteins into the membrane of artificial lipid vesicles: (1) an ATP synthase isolated...
Investigators introduce two proteins into the membrane of artificial lipid vesicles: (1) an ATP synthase isolated from the mitochondria of cow heart muscle, and (2) a light-activated proton pump purified from the prokaryote Halobacterium halobium. The proteins are oriented as shown in the diagram. When ADP and P; are added to the external medium and the vesicle is exposed to light, would this system produce ATP? H LIGHT protein pump ATP synthase Choose one: O No, because no electron-transport chain...
Exocytosis is a type of cellular transport that allows materials to move across the plasma membrane...
Exocytosis is a type of cellular transport that allows materials to move across the plasma membrane of a cell. Which of the statements describe properties of exocytosis? Exocytosis uses membrane channel proteins to import materials into the cell. Exocytosis is the primary method of transporting large molecules out of the cell. Exocytosis is the primary method of transporting large molecules into the cell. Exocytosis engulfs materials into the cell through the pinching off of a vesicle from the plasma membrane....
3) Vesicles move between the plasma membrane and other organelles in very specific, highly organized processes....
3) Vesicles move between the plasma membrane and other organelles in very specific, highly organized processes. (20 points) a) How are transport vesicles formed? What are the major steps and components of vesicle formation? How does vesicle formation differ in transport from the plasma membrane? To/from the ER? ToTo/from the Golgi apparatus? Endosome TGN O Golgi comples Nucleus
2. Tethering of a transport vesicle to a target membrane involves all of the following players...
2. Tethering of a transport vesicle to a target membrane
involves all of the following players EXCEPT:
Group of answer choices
A. Rab effector proteins
B. SNAREs
C. Rab
D. GTP
3. Match the following proteins with a brief description of
their role in vesicle trafficking:
A. Coat Protein
B. required for constricting and closing vesicles
C. mediate the selective recruitment of both membrane and
soluble cargo molecules into the vesicle
D. aid vesicle targeting and mediate membrane fusion
E....
In the electron transport chain, protons are pumped across the cell membrane. This results in Multiple...
In the electron transport chain, protons are pumped across the cell membrane. This results in Multiple Choice 0 the reduction of NADH. 0 the creation of water. 0 the loss of electrons. O the formation of a proton motive force. 0 the release of CO2 In aerobic respiration, oxygen acts as 1 Multiple Choice 0 a coenzyme. 0 an electron carrier in the ETC. 0 an ATP synthase. 0 a reducing agent. • the terminal electron acceptor.
A&P Flix Activity: Membrane Transport Substances can move across the plasma membrane in two different ways-actively...
A&P Flix Activity: Membrane Transport Substances can move across the plasma membrane in two different ways-actively or passively. This activity will help you determine whether transport mech! Sort the following types of membrane transport mechanisms into active or passive processes. View Available Hint(s) Reset Help Endocytonio Dumoals Secondary active transport Exocvent Facilitated dimson Simple damunten Primary active transport Active Process Passive Process Submit Type here to search API Spr google.com 1 Chapter 1 - 3 Flix Activity: Membrane Transport High...
3. The energy difference for protons across the inner mitochondrial membrane is given by: AG 2.30...
3. The energy difference for protons across the inner mitochondrial membrane is given by: AG 2.303RT x log Hout + 2A Hin How would this equation be modified by the following conditions? a. If protons were uncharged species b. If the inner mitochondrial membrane was freely permeable to ions other than protons. c. If the equation was written as a function of pH.
3. The energy difference for protons across the inner mitochondrial membrane is given by: AG 2.303RT x...
Suppose a cell is subjected to Aspirin, T4 or some other chemical uncoupler of oxidative phosphorylation,...
Suppose a cell is subjected to Aspirin, T4 or some other chemical uncoupler of oxidative phosphorylation, one would expect an increase in the rate of all of the following EXCEPT (2 pts) (A) ATP synthesis (B) Proton pumping by the electron transport chain (C) Heat generation by the mitochondria (D) Oxygen utilization by the cell (E) NADH oxidation by NADH dehydrogenase
What would happen to Photosynthesis if H+ could freely move across the thylakoid membranes? HTML Editor...
What would happen to Photosynthesis if H+ could freely move across the thylakoid membranes? HTML Editor B IV AA- Ix E3 3 3 3 x'x, DE A newly discovered cell organelle is found to produce or use up the following molecules: Produce Use Up No Change ATP ADP + Pi CO2 NADPH NADP+ 3-carbon sugar 02 Based on these data, which metabolic process is taking place in this organelle? Glycolysis Krebs cycle Electron transport/oxidative phosphorylation Light dependent reactions of photosynthesis...
A) How does an uncoupler disrupt oxidative respiration? 1. Preventing reduction of O2 2. Stopping the...
A) How does an uncoupler disrupt oxidative respiration? 1. Preventing reduction of O2 2. Stopping the flow of electrons through the ETS 3. inhibit oxidation w/o affecting phosphorylation 4. making the membrane permeable to protons B) Which of the following molecules does NOT participate in the reaction catalyzed by the pyruvate dehydrogenase complex? 1. lipoic acid 2. CoA-SH 3. dihydrolipoyl dehydrogenase 4. phosphoenolpyruvate
Investigators introduce two proteins into the membrane of artificial lipid vesicles: (1) an ATP synthase isolated from the mitochondria of cow heart muscle, and (2) a light-activated proton pump purified from the prokaryote Halobacterium halobium. The proteins are oriented as shown in the diagram. When ADP and P; are added to the external medium and the vesicle is exposed to light, would this system produce ATP? H LIGHT protein pump ATP synthase Choose one: O No, because no electron-transport chain...
Exocytosis is a type of cellular transport that allows materials to move across the plasma membrane of a cell. Which of the statements describe properties of exocytosis? Exocytosis uses membrane channel proteins to import materials into the cell. Exocytosis is the primary method of transporting large molecules out of the cell. Exocytosis is the primary method of transporting large molecules into the cell. Exocytosis engulfs materials into the cell through the pinching off of a vesicle from the plasma membrane....
3) Vesicles move between the plasma membrane and other organelles in very specific, highly organized processes. (20 points) a) How are transport vesicles formed? What are the major steps and components of vesicle formation? How does vesicle formation differ in transport from the plasma membrane? To/from the ER? ToTo/from the Golgi apparatus? Endosome TGN O Golgi comples Nucleus
2. Tethering of a transport vesicle to a target membrane
involves all of the following players EXCEPT:
Group of answer choices
A. Rab effector proteins
B. SNAREs
C. Rab
D. GTP
3. Match the following proteins with a brief description of
their role in vesicle trafficking:
A. Coat Protein
B. required for constricting and closing vesicles
C. mediate the selective recruitment of both membrane and
soluble cargo molecules into the vesicle
D. aid vesicle targeting and mediate membrane fusion
E....
In the electron transport chain, protons are pumped across the cell membrane. This results in Multiple Choice 0 the reduction of NADH. 0 the creation of water. 0 the loss of electrons. O the formation of a proton motive force. 0 the release of CO2 In aerobic respiration, oxygen acts as 1 Multiple Choice 0 a coenzyme. 0 an electron carrier in the ETC. 0 an ATP synthase. 0 a reducing agent. • the terminal electron acceptor.
A&P Flix Activity: Membrane Transport Substances can move across the plasma membrane in two different ways-actively or passively. This activity will help you determine whether transport mech! Sort the following types of membrane transport mechanisms into active or passive processes. View Available Hint(s) Reset Help Endocytonio Dumoals Secondary active transport Exocvent Facilitated dimson Simple damunten Primary active transport Active Process Passive Process Submit Type here to search API Spr google.com 1 Chapter 1 - 3 Flix Activity: Membrane Transport High...
3. The energy difference for protons across the inner mitochondrial membrane is given by: AG 2.303RT x log Hout + 2A Hin How would this equation be modified by the following conditions? a. If protons were uncharged species b. If the inner mitochondrial membrane was freely permeable to ions other than protons. c. If the equation was written as a function of pH.
3. The energy difference for protons across the inner mitochondrial membrane is given by: AG 2.303RT x...
What would happen to Photosynthesis if H+ could freely move across the thylakoid membranes? HTML Editor B IV AA- Ix E3 3 3 3 x'x, DE A newly discovered cell organelle is found to produce or use up the following molecules: Produce Use Up No Change ATP ADP + Pi CO2 NADPH NADP+ 3-carbon sugar 02 Based on these data, which metabolic process is taking place in this organelle? Glycolysis Krebs cycle Electron transport/oxidative phosphorylation Light dependent reactions of photosynthesis...
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