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.
Granite countertops are expensive. They usually cost about $50 to $100 per square foot, including installation. If you have 30 square feet of counter space-which is fairly standard-the total cost would be $1,500 to $3,000.Optional features like fancy edges or backsplashes cost extra.ranite is the most popular material on the market for high-end kitchen countertops. It is beautiful, durable, heat resistant and scratch resistant.