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Sunlight excites electrons in the chlorophyll during the what?
During the light reaction, sunlight excites electrons of chlorophyll P680 in Photosystem One.
How is P680 important for photosynthesis?
P680+ is responsible for the oxidation of water to O2.
What is a electrical circuit?
An electrical circuit is a path which electrons from a current source flow. Electric current flows in a closed path called an electric circuit. The point where those electrons enter an electrical circuit is called the "source" of electrons. The point where the electrons leave an electrical circuit is called the "return". The exit point is called the "return" because electrons always end up at the source when they complete the path of an electrical circuit. The part of an electrical circuit that is between the electrons' starting point and the point where they return to the source is called an electrical circuit's "load". ---Nerd
What is the source of the energy that produces the chemiosmotic gradient in mitochondria?
Main fuel is glucose. It is oxidized using oxygen
What do the terms P680 and P700 mean in science?
i don't know this is a bad site
Which of the following statements regarding events in the functioning of photosystem II is false?
The P680 chlorophyll donates a pair of protons to NADPH, which is thus converted to NADP+
The chlorophyll known as P680 has its electron holes filled by electrons from what a. photosystem I. b. photosystem II c. water d. NADPH e. accessory pigments?
Oxidized P680 receives its electrons, from water oxidization. (2H2O --> O2 + 4H+ + 4e-).
Sunlight excites electrons in the chlorophyll during the what?
During the light reaction, sunlight excites electrons of chlorophyll P680 in Photosystem One.
What does a plant do with a water?
When the light cascade finally releases the P680 electrons to the primary electron acceptor of the reaction complex those electrons must be replaced. The plant has an enzyme that preforms photolysis on water, splitting it, so that two electrons are fed one at a time into the p680 chlorophylls as replacement electrons for those they have released to the primary electron acceptor.
What photosystem splits water?
which photosystem (p680or P700) splits water? P680
How is P680 important for photosynthesis?
P680+ is responsible for the oxidation of water to O2.
Where do the electrons that form the auroras enter the magnetosphere?
The electrons that form the auroras enter the magnetosphere along the invisible magnetic field lines. The source of these charge particles comes from the sun in the form of Solar winds.
What converts sunlight into sugars?
Photosynthesis that is where The energy-fixing reaction of photosynthesis begins when light is absorbed in photosystem II in the thylakoid membranes. The energy of the sunlight, captured in the P680 reaction center, activates electrons to jump out of the chlorophyll molecules in the reaction center. These electrons pass through a series of cytochromes in the nearby electron-transport system. After passing through the electron transport system, the energy-rich electrons eventually enter photosystem 1. Some of the energy of the electron is lost as the electron moves along the chain of acceptors, but a portion of the energy pumps protons across the thylakoid membrane, and this pumping sets up the potential for chemiosmosis. The spent electrons from P680 enter the P700 reaction center in photosystem I. Sunlight now activates the electrons, which receive a second boost out of the chlorophyll molecules. There they reach a high energy level. Now the electrons progress through a second electron transport system, but this time there is no proton pumping. Rather, the energy reduces NADP. This reduction occurs as two electrons join NADP and energize the molecule. Because NADP acquires two negatively charged electrons, it attracts two positively charged protons to balance the charges. Consequently, the NADP molecule is reduced to NADPH, a molecule that contains much energy. Because electrons have flowed out of the P680 reaction center, the chlorophyll molecules are left without a certain number of electrons. Electrons secured from water molecules replace these electrons. Each split water molecule releases two electrons that enter the chlorophyll molecules to replace those lost. The split water molecules also release two protons that enter the cytoplasm near the thylakoid and are available to increase the chemiosmotic gradient.
What is a electrical circuit?
An electrical circuit is a path which electrons from a current source flow. Electric current flows in a closed path called an electric circuit. The point where those electrons enter an electrical circuit is called the "source" of electrons. The point where the electrons leave an electrical circuit is called the "return". The exit point is called the "return" because electrons always end up at the source when they complete the path of an electrical circuit. The part of an electrical circuit that is between the electrons' starting point and the point where they return to the source is called an electrical circuit's "load". ---Nerd
What is electical circuits?
It is a way in which electrons from a voltage or current source stream. Electric current stream in a shut way is called an electric circuit. The point where those electrons enter an electrical circuit is known as the source of electrons.
Can the Pioneer CDX-P680 6-Disc CD Changer play Mp3 files?
The Pioneer CD-P680 can play MP3 files, as well as WMA files.
What molecule is split during the light reaction of photosynthesis?
A molecule of water is split producing: 2H+ which contributes to the increase in proton gradient, 2 electrons reducing P680+ to P680, and an oxygen atom which later combines with another oxygen atom to form O2.
