As Electrons Are Passed Through the System of Electron Carriers

question 90

Multiple Choice

As electrons are passed through the system of electron carriers associated with photosystem II,they lose energy.What happens to this energy?

• A)It excites electrons of the reaction center of photosystem I.
• B)It is lost as heat.
• C)It is used to establish and maintain a proton gradient.
• D)It is used to phosphorylate NAD⁺ to NADP⁺, the molecule that accepts electrons from photosystem I.
• E)It is used to reduce NADP⁺ to NADPH.

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Definitions:

Electrochemical Communication

The process by which neurons communicate with each other, involving electrical signals within neurons and chemical signals (neurotransmitters) between neurons.

Neurons

Electrically excitable cells in the nervous system that process and transmit information through electrical and chemical signals.

Motor Neurons

Specialized neurons that transmit impulses from the spinal cord or brain to muscle or glandular tissue.

Grasp Objects

To grasp objects refers to the action of seizing, holding, or obtaining an item or concept with the hands or mind, utilizing coordination between sensory and motor skills.