Electron Carriers in Plant Cells
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Questions and Answers

In plant cells, what is the role of electron carriers?

To transport high-energy electrons from chlorophyll to other molecules.

What is the compound that accepts and holds high-energy electrons, along with a hydrogen ion?

NADP+

What is the compound formed when NADP+ accepts two high-energy electrons and a hydrogen ion?

NADPH

How is the energy of sunlight trapped in chemical form?

<p>Through the conversion of NADP+ into NADPH</p> Signup and view all the answers

What can NADPH carry to chemical reactions elsewhere in the chloroplast?

<p>High-energy electrons produced by light absorption in chlorophyll</p> Signup and view all the answers

What are electron carriers and what is their role in plant cells?

<p>Electron carriers are compounds that transport high-energy electrons from chlorophyll to other molecules. They accept a pair of high-energy electrons and transfer them, along with most of their energy, to another molecule. In plant cells, electron carriers like NADP+ play a crucial role in trapping the energy of sunlight in chemical form and transporting it to chemical reactions elsewhere in the chloroplast.</p> Signup and view all the answers

How does NADP+ convert into NADPH?

<p>NADP+ converts into NADPH by accepting and holding two high-energy electrons, along with a hydrogen ion (H+). This conversion allows some of the energy of sunlight to be trapped in chemical form.</p> Signup and view all the answers

What is the ultimate fate of the high-energy electrons carried by NADPH?

<p>The high-energy electrons carried by NADPH are used to help build sugars like glucose. They are involved in the chemical reactions that synthesize glucose and other organic compounds in the chloroplast.</p> Signup and view all the answers

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