Transport in plants: Water potential, osmosis

When ions and molecules move across the cell membrane, this is referred to as active transport because it does not require the expenditure of energy. Active and passive transport are the two primary biological processes that are critical in the supply of nutrients, oxygen, water, and other essential molecules to cells, as well as the […]

Until now, we’ve talked about how herbicides can be passively absorbed into plant cells, where absorption is driven by passive diffusion and occurs along a concentration gradient. The majority of herbicides are absorbed in this manner. However, a few, such as 2,4-D, glyphosate, and paraquat, are absorbed via active transport mechanisms. Active transport is the