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Ferredoxins are iron-sulfur proteins that mediate electron transfer in a range of metabolic reactions.

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Which components are directly associated with Photosystem I?

The components directly associated with Photosystem I are chlorophyll a, P700 reaction center, and ferredoxin.


What is a role of photosytem l in the light reactions?

It is placed as second photosystem in the light reactions of plants, algae and some bacteria. It is an integral membarne protein complex. It functioning the electron transfer from plastocyanin to ferredoxin. Like PSII, PSI also uses light energy to excite electrons.


What does not regulate the dark and light cycles a. ATP b. photons c. Mg2 plus sequestering d. NADPH e ferredoxin f. thioredoxin?

B. photons


Why are Electron carriers important in photosynthesis?

Electron carriers, such as NADP+ and ferredoxin, play a crucial role in photosynthesis by shuttling high-energy electrons during the light-dependent reactions. These carriers help to transfer electrons from water to generate ATP and NADPH, which are essential for the Calvin cycle to produce sugars. Overall, electron carriers facilitate the conversion of light energy into chemical energy that is used to drive the synthesis of organic molecules in plants.


What is the equation that shows how nadp is changed into nadph?

NADP+ accepts and holds 2 high-energy electrons along with a hydrogen ion (H+).


What lighting producers do?

Because the question does not ask photosynthesis, I answer in the meaning of general chemistry: Light just provides energy for a reaction; usually, photons (the light particles) make electrons of the matter to excitate, thus changing the reaction conditions. Otherwise, in photosynthesis, light-dependent reactions produce a proton (H+) gradient flow through thylakoid membrane, thus spinning the ATPase enzyme subunits, thus producing ATP. Besides this, ferredoxin and NADPH is produced. Ferredoxin is very important for certain specific enzymatic reactions and NADPH is the carrier of reduction force (it can give a hydrogen to a chemical/metabolite, for example to malonic acid)


Which part of the photosynthetic cycle involves an enzyme taking a molecule of NADP plus and adding two electrons?

The light-dependent reactions of photosynthesis involve an enzyme called ferredoxin-NADP+ reductase taking a molecule of NADP+ and adding two electrons to form NADPH. This process occurs in the thylakoid membrane of the chloroplast.


What electron move high energy between photosystems?

The electrons that move between photosystems in photosynthesis are energized by sunlight and carried by electron carrier molecules such as plastocyanin and ferredoxin. These high-energy electrons are transferred through a series of redox reactions in the electron transport chain to generate ATP and NADPH for the light-dependent reactions of photosynthesis.


Electrons are excited in photosystem I. What do these electrons combine with in order to produce an energy-carrying molecule?

NDHP+


What is the homophone for role?

the homophone for role = roll


What part of speech is role?

Role is a noun.


Meaning of this in English Quel est le role du propriétaire?

what is the owner's role / the landlord's role