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Pavel [41]
3 years ago
9

What chemical group used by plants does oxygen form which includes phosphorus?

Biology
1 answer:
hram777 [196]3 years ago
5 0
These are nitrates , which are anions with the formula NO3- . A common form<span> of fertiliser is ammonium nitrate which has the formula NH4NO3 .</span>
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Types of chlorophyll in p680 and p700 and why it matters
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P700 is photosystem I. It includes chlorophyll a 670, 680, 695, 700, Chlorophyll b, carotenoids. The active reaction center of photosystem is p700, as it absorbs light of a wavelength longer than 680nm.
P680 or the photosystem II has the following pigments: chlorophyll b, 660, 670, 680, 695, 700, phycobilins, and xanthophylls. The active reaction center, in this case, is p680 of chlorophyll a, as it absorbs the light having a wavelength shorter than 680nm.
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Red, green &amp; brown algae are included in what kingdom
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Answer:

the all type of algae are included in kingdom plantae

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Alexandra fleming was working with a bacteria called staphylococcus which looked like bunches of grapes under the microscope. He
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In 1928, Sir Alexander Fleming was studying Staphylococcus bacteria growing in culture dishes. He noticed that a mold called Penicillium was also growing in some of the dishes. A clear area existed around the mold because all the bacteria that had grown in this area had died. In the culture dishes without the mold, no clear areas were present.

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Explanation:

n 1928, Sir Alexander Fleming was studying Staphylococcus bacteria growing in culture dishes. He noticed that a mold called Penicillium was also growing in some of the dishes. A clear area existed around the mold because all the bacteria that had grown in this area had died. In the culture dishes without the mold, no clear areas were present.

Fleming thought that the mold must be producing a chemical that killed the bacteria. He decided to isolate this substance and test it to see if it would kill bacteria. Fleming transferred the mold to a nutrient broth solution. This solution contained all the materials the mold needed to grow. After the mold grew, he removed it from the nutrient broth. Fleming then added the nutrient broth in which the mold had grown to a culture of bacteria. He observed that the bacteria died. He also added the same type of broth that had not been exposed to the mold, to a culture of the same type of bacteria. Nothing happened to the bacteria.

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_______ are thought to have been present before vertebrates.
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Explanation:

i m not confirmed but i think hag fishes are present before vertebrates

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What are differentiated and undifferentiated cells?
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Differentiated cells have a particular role undifferentiated do not have a certain role.
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