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SIZIF [17.4K]
3 years ago
11

How does nitrogen leave a food chain?

Biology
1 answer:
vitfil [10]3 years ago
7 0

Answer: c

Explanation: Plants and animals need nitrogen to make proteins but they cannot take it in from the air. Because nitrogen is unreactive as a gas, it has to be transformed into a new molecule. When bacteria in the soil takes nitrogen from the air, it becomes nitrates. Finally, it can move through the food chain in this form.

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what is the difference between the closed conformation and open conformation of chromatin packing? biology
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The shape of chromatin, which can be either open (euchromatin) or compact (heterochromatin), is dynamically regulated during the phases of the cell cycle is the two types of conformations.

  • The main distinction between conformation and configuration is that whereas the configurations of the same molecule do not easily interconvert, their conformations do.
  • With a predefined location in the nucleus and a certain form, such as metacentric, submetacentric, acrocentric, or telocentric, chromosomes are primarily heterochromatic in this stage.
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  • While heterochromatin (tight or closed chromatin) is more compact and resistant to factors that need to access the DNA template, euchromatin (loose or open chromatin) structure is permissible for transcription.

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1 year ago
Before solar energy can become a competitive form of energy available for consumers, which of the following events must occur? A
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The answer is; D


Solar cells usually convert solar energy into electricity which could later be reserved. The efficiency of solar cells is still low, compared to other sources, with a conversion rate of 15% - 22%. This reduces the attractiveness of solar cells as a competitive source of energy. This also makes this form of energy expensive due to its inefficiency.


7 0
3 years ago
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The junction where one neuron can transfer an impulse to another structure is called a(n)
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Synapse.

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2 years ago
B. Write 'T' for true and 'F' for false.
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What are generated during the Krebs cycle ?
miv72 [106K]

Electron Carriers such as NADH and FADH are generated during the Krebs cycle (Option D).

<h3>What is the Krebs cycle?</h3>

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The Krebs cycle generates the reduced forms of the carriers NADH and FADH, which are used in oxidative phosphorylation to generate ATP.

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