The movement of ions or molecules across a cell membrane in the direction opposite that of diffusion, that is, from an area of lower concentration to one of higher concentration. The energy needed for active transport is supplied by ATP.
At the second tier, you can expect to pay $60 - $70 per linear foot. You'll have some concerns about chipping and denting, but less so than at the lower tier. At the highest tier, soapstone bathroom countertops are priced at $70 - $80 per linear foot, and their durability should not be an issue. See also: Bathroom Remodeling Ideas, Options and Solutions.
1 For a basic based quality, plan on spending anywhere from $50 to $60. 2  For something in-between, the price can range from $58 to $66 per square foot. 3  For the best quality based Caesarstone countertop, the price can be upwards of $80 per square foot. Since there are so many color groups that you can choose from, this is going to greatly influence the price. 2  On average, Caesarstone is going to cost anywhere from $50 to as much as $81 per square foot. 3  For a basic based quality, plan on spending anywhere from $50 to $60.