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.
The cost for a Silestone countertop will run between $50 and $100 on average, per square foot. Thatâs about the same you will get for most other brands of quartz such as Cambria counters and Zodiaq. Youâll have to pay different prices for a thicker counter than a thin one.