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Which of the steps in the Z scheme is correct? O A. plastocyanin donates an electron to P680 O B. An iron-sulfur center transfers electrons from phylloquinone to ferredoxin (Fd) O C.plastoquinone accepts an electron directly from P680 O D. electrons donated to eyt bef from a quinone are transferred from cyt bef to plastocyanin OE. absorption of a photon by a photosystem causes it to attain a higher energy state in which the its standard electrode potential (EU) becomes more positive O F. both B and E

Which of the steps in the Z scheme is correct? O A. plastocyanin donates an electron to P680 O B. An iron-sulfur center transfers electrons from phylloquinone to ferredoxin (Fd) O C.plastoquinone accepts an electron directly from P680 O D. electrons donated to eyt bef from a quinone are transferred from cyt bef to plastocyanin OE. absorption of a photon by a photosystem causes it to attain a higher energy state in which the its standard electrode potential (EU) becomes more positive O F. both B and E

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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QUESTION 30 Which of the steps in the Z scheme is correct? O A. plastocyanin donates an electron to P680 O B. An iron-sulfur center transfers electrons from phylloquinone to ferredoxin (Fd) O C.plastoquinone accepts an electron directly from P680 O D. electrons donated to cyt bgf from a quinone are transferred from cyt bef to plastocyanin absorption of a photon by a photosystem causes it to attain a higher energy state in which the its standard electrode potential (E) becomes more positive O F. both B and E QUESTION 31 In the phenomenon of long-term potentiation by the NMDA receptor channel: O A. a retrograde signal from the post synaptic newron inhibits subsequent signal transmission across the synapse O B. repeated depolarization of the post synaptic membrane allows Ca ++ to leak out of the cell throuqh the NMDA channel OC. ++ Mg ion that blocks the MMDA channel is released by repeated depolarization of the post synaptic membrane D.Glutamate binding to the NMDA receptor opens the NMDA Na channel OE. Glutamate binding to a non-NMDA qlutamate receptor causes Mg ++ to enter the neuron through the NMDA channel
Transcribed Image Text:QUESTION 30 Which of the steps in the Z scheme is correct? O A. plastocyanin donates an electron to P680 O B. An iron-sulfur center transfers electrons from phylloquinone to ferredoxin (Fd) O C.plastoquinone accepts an electron directly from P680 O D. electrons donated to cyt bgf from a quinone are transferred from cyt bef to plastocyanin absorption of a photon by a photosystem causes it to attain a higher energy state in which the its standard electrode potential (E) becomes more positive O F. both B and E QUESTION 31 In the phenomenon of long-term potentiation by the NMDA receptor channel: O A. a retrograde signal from the post synaptic newron inhibits subsequent signal transmission across the synapse O B. repeated depolarization of the post synaptic membrane allows Ca ++ to leak out of the cell throuqh the NMDA channel OC. ++ Mg ion that blocks the MMDA channel is released by repeated depolarization of the post synaptic membrane D.Glutamate binding to the NMDA receptor opens the NMDA Na channel OE. Glutamate binding to a non-NMDA qlutamate receptor causes Mg ++ to enter the neuron through the NMDA channel
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