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Yuliya22 [10]
4 years ago
9

Certain cells have protein channels on them to transport substances across the cell membrane This kind of transport is referred

to as
Biology
1 answer:
Dimas [21]4 years ago
4 0

This is called active transport. The proteins use ATP to transport stuff in and out of the cell.

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What is the author's purpose for writing the essay
makvit [3.9K]

Answer:

Option D, to inform readers of the reasons why the Grimms

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Explanation:

The Grim brothers have a firm belief that the actual form a culture which is the most natural one is  linguist  and is dependent on history and in order to understand and follow it Grim brothers discovered and saved the fairy tales. This objective of Grim brothers has been displayed through their essay. The Grim brothers got motivated to do so because they believed that industrialization in long run would erase these classics from memory and hence these stories need to be protected.

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Prophase I
The chromosomes condense, and the nuclear envelope breaks down & crossing-over occurs.

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Prophase II
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Metaphase II
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Anaphase II
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Answer:

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Explanation:

7 0
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R Y

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