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HACTEHA [7]
2 years ago
14

How are electrons lost replaced in photosystem II?

Biology
1 answer:
timofeeve [1]2 years ago
4 0

Answer:

Water is split to yield two electrons, with oxygen and two hydrogen ions as by-products.

Explanation:

The electron lost from the reaction center is replaced with an electron that comes from water. When two water molecules are split, four electrons and four protons are released.

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The brain coordinates the physical changes that occur during puberty and the ______ plays an especially important role in this p
levacccp [35]

Answer: Hypothalamus

The brain coordinates the physical changes that occur during puberty and the hypothalamus plays an especially important role in this process.

Explanation:

Since the hypothalamus controls the secretion of hormones from the pituitary gland, and the pituitary gland, also known as master gland, controls the activities of all other glands like the following:

- gonads (ovaries and testes), responsible for producing many of the sex hormones and hence, development of sexual characterictics

- thyroid, responsible for producing thyroxine, responsible for body metabolism and development.

Thus, hypothalamus plays important role in puberty

4 0
3 years ago
Which is the most specific group? *<br> A. Genus<br> B. Family<br> C. Order<br> D. Phylum
kiruha [24]

Answer: genus

Explanation:

5 0
3 years ago
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sveta [45]

Answer:

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Explanation:

Your body uses carbohydrates, lipids and proteins for energy. When small organic molecules bind together, they form larger molecules called biological macromolecules. Biological macromolecules fall into four categories: carbohydrates, proteins, lipids and nucleic acids. Your body uses carbohydrates, lipids and proteins for energy.

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3 years ago
Based on what you know about fermentation, write down your predictions for this experiment.
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