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Turgid Plants are erect, while flaccid ones wilt. “The movement of particle from an area of lower concentration to an area of higher concentration by using energy.” Active transport is involved in a number of processes occurring within an organism This includes the absorption of:
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“The movement of particle from an area of lower concentration to an area of higher concentration by using energy.” • Active transport is involved in a number of processes occurring within an organism • This includes the absorption of: • Dissolved mineral salts by the root hairs, • Glucose and amino acids by cells in the small intestine of humans by villi Fig. 2.4 Active transport-molecules diffuse against the concentration gradient from B to A.