The enzyme complex called the oxygen evolving complex _____Select one:a.breaks water, and supplies the chloroplastic electron transport chain with protons and electronsb.breaks water, and supplies photons that will be absorbedc.creates water, and supplies the mitochondrial electron transport chain with protons and electronsd.creates water, and supplies the chloroplastic electron transport chain with protons and electronse.creates oxygen, and supplies plants with H2O

Name: The enzyme complex called the oxygen evolving complex _____Select one:
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Description: The enzyme complex called the oxygen evolving complex _____Select one:a.breaks water, and supplies the chloroplastic electron transport chain with protons and electronsb.breaks water, and supplies photons that will be absorbedc.creates water, and sup

Answered: The enzyme complex called the oxygen…

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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The enzyme complex called the oxygen evolving complex _____

Select one:

breaks water, and supplies the chloroplastic electron transport chain with protons and electrons

breaks water, and supplies photons that will be absorbed

creates water, and supplies the mitochondrial electron transport chain with protons and electrons

creates water, and supplies the chloroplastic electron transport chain with protons and electrons

creates oxygen, and supplies plants with H2O

Expert Solution

Step 1

Water is photo-oxidized during the light reactions of photosynthesis in the oxygen-evolving complex (OEC), also referred to as the water-splitting complex. At the membrane-lumen interface, four photosystem II core protein subunits surround the OEC.

In the overall water oxidation reaction, two water molecules have four electrons taken out of them, resulting in the production of four protons and one O2 molecule. The molecular machinery for oxidising water needs to be able to store the oxidising potential resulting from three light-induced charge separations before the fourth provides enough oxidising power for water oxidation.

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