lhth7638 lhth7638
  • 01-09-2017
  • Biology
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When molecules are very large or are being moved against their concentration gradient, energy is required to move molecules across a cell membrane. this type of movement is best described as:?

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KhaiLi
KhaiLi KhaiLi
  • 01-09-2017
Active transport. Which the molecules are transported by a protein called carrier protein with the help of ATP.
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