electron carrier

American  

noun

1. Biochemistry. any molecule, such as a cytochrome or flavoprotein, that can accept electrons from one such molecule and transfer them to another during electron transport along the respiratory chain.

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electron carrier Scientific  

1. Any of various molecules that are capable of accepting one or two electrons from one molecule and donating them to another in the process of electron transport. As the electrons are transferred from one electron carrier to another, their energy level decreases, and energy is released. Cytochromes and quinones (such as coenzyme Q) are some examples of electron carriers.

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Example Sentences

In cells, it requires several enzymes that send the electrons uphill to an ancient and essential biological electron carrier called ferredoxin.

From Science Daily • Mar. 18, 2024

The continuation of the reaction depends upon the availability of the oxidized form of the electron carrier, NAD+.

From Textbooks • Jun. 9, 2022

The electron carrier moves the electrons with their energy to other molecules where they are needed.

From Textbooks • Jan. 1, 2018

Nicotinamide adenine dinucleotide phosphate, or NADP+, is one such electron carrier.

From Textbooks • Jan. 1, 2018