Active transport
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4 Terms
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active transport
the movement of molecules or ions through a cell membrane from a region of lower concentration to a region of higher concentration using energy from respiration
2
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what is found in cell membrane to help active transport and how
carrier proteins
use energy to change shape and move ions or molecules into or out a cell
3
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active transport is ___ the concentration gradient
up the concentration gradient
4
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example of where active transport takes place
root hair cells uptake of ions from the soil
Note 
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