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anastassius [24]
3 years ago
7

When molecules are very large or are being moved against their concentration gradient, energy is required to move molecules acro

ss a cell membrane. this type of movement is best described as:?
Biology
1 answer:
kozerog [31]3 years ago
4 0
Active transport. Which the molecules are transported by a protein called carrier protein with the help of ATP.
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Meiosis is important because during sexual reproduction, it ensures that all produced organisms have the correct number of chromosomes. It is also responsible for producing genetic variations during the process of recombination, and it repairs some genetic defects.

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Explanation:

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Organisms can be classified in the same species by morphology and ?
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