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Active Transport Definition and Explanation PDF | Download eBooks

Learn Active Transport definition in college biology with explanation to study “What is Active Transport”. Study active transport explanation with college biology terms to review biology course for online degree programs.

Active Transport Definitions:

  1. Process by which water is raised to considerable heights in plants has been studied for years in botany.

    Biology by Dr.William George and A.R.Sheikh



  2. Combined gradient that affects an ion includes its concentration gradient and its electrical gradient.

    College Biology by Textbook Equity



Active Transport Explanation:

According to a scientific research, a considerable heights of water in plants is called "cohesion-tension theory". The theory emphasis on the force that carries water and absorbed materials upward by xylem, termed as "transpiration pull". It pushes water to travel transversely i.e. from root epidermis to cortex and pericycle. The factors involved in this process are: helding of water in tube; smaller in diameter, walls of xylem tube stands by water molecules and the association of water molecules to each other.

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