<span> Enzymes do NOT get depleted during a reaction. Only the substrate and/or cofactors will get used up. The enzyme remains unchanged</span>
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21. B. recessive
22. D. DD and dd
23. D. FF and ff
Answer:
by explaining that one nonprofit has been helping veterans for over a decade and emphasizing that the government should be doing more
Explanation:
I just took the test and this was the correct answer hope i couldve helped anyone!
Answer:
True
Explanation:
Yes because our needs oxygen to function.
Answer: b. Water molecules
When sunlight is absorbed by one of many pigments present in photosystem II the light energy is distributed from pigment to pigment until it reaches the reaction center of photosystem II. The electrons present in the reaction center jumps to higher energy state on receiving light energy. Each high energy electron is passed to an acceptor molecule (plastoquinone) and replaced with an electron produced by splitting of water. The splitting of water produces oxygen and electrons. The high energy electrons are transferred to electron transport chain. The energy present in these electrons creates a gradient in the thylakoid membrane of chloroplast. The gradient facilitates the flow of H⁺ ions across thylakoid membrane and which lead to the production of ATP by enzyme ATP synthase.
Therefore, water is required to produce electrons in photosystem II.
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