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anygoal [31]
4 years ago
14

How do small particles cross a cell membrane?

Biology
1 answer:
lora16 [44]4 years ago
5 0
Active transport requires that the cell move engegy that it has obtained the food to move the molecule threw the cell membrane.The passive transport doesn't required as much energy for the molecule to move....
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1  asthenosphere

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Charles Darwin took a five-year voyage around the world observing different
Juli2301 [7.4K]

Answer:

Natural selection.

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How many chromosomes are in a haploid cell?
Inga [223]

First you must know that a diploid cell has double the amount of chromosomes of a haploid cell. A diploid cell has 46 chromosomes. When we divide 46 by 2 you get 23. This means that there are 23 chromosomes in a haploid cell.

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3 years ago
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sertanlavr [38]

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Explanation:

Theory was first made by Charles Darwin and is now believed to be the main process that brings about evolution.

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2 years ago
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