When light energy excites electrons in photosystem where do the electrons to replace them come from

1 answer:

8 0

Light excites the electrons in chlorophyll a molecules of photosystem 1. As these electrons move to another primary electron receptor, electrons from photosystem 2 replace them.
Therefore the answer is FROM PHOTOSYSTEM 2.

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docker41 [41]

Answer:

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Explanation:

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Chemical processes that involve one or more chemical reactions keep living things alive. Which of these types of chemical reacti

zimovet [89]

Answer: Oxidation

Explanation:

Because when oxidation occurs it is basically telling you that the atoms are being changed into a different state hope this helped!

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3 years ago

What is the net charge of the structure in the figure below?

Brilliant_brown [7]

Question:- what is the net charge of the structure in the figure below?

A. 1-

B. 1+

C. 2+

D. 2-

Answer

there are 3 protons (+ve charge) and 2 electrons (-ve charges )

so net charge is positive one

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3 years ago

Why don't lipids dissolve in water? I know that they don't but I need to know why. I've tried looking it up but I can't find it

astra-53 [7]

Lipids don't dissolve in water because of the different polarities. Water is polar and lipids are not polar which is why they don't dissolve. What this means is that they don't bond and don't share electrons and therefore don't mix.

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4 years ago

Is energy lost by catabolism or anabolism?

Darina [25.2K]

Explanation:

Anabolism requires energy to grow and build. Catabolism uses energy to break down. These metabolic processes work together in all living organisms to do things like produce energy and repair cells.

Catabolic reactions release energy, while anabolic reactions use up energy.

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3 years ago