Can you be a little more specific?
When sulfurous, sulfuric, and nitric acids in polluted air and rain react with the calcite in marble and limestone, the calcite dissolves. In exposed areas of statues, we see roughened surfaces, removal of material, and loss of carved details
Polygenetic inheritance is the term for traits that are controlled by more than one gene...
Examples of this is ones height, skin, hair color and eye color...
Answer:
Nonrenewable energy resources, like coal, nuclear, oil, and natural gas, are available in limited supplies. ... Renewable resources are replenished naturally and over relatively short periods of time. The five major renewable energy resources are solar, wind, water (hydro), biomass, and geothermal.
Explanation:
Answer: Ligand-gated channels require a special “key” to unlock their doors, which usually comes in the form of a small molecule.
CFTR is a ligand-gated channel, but it’s an unusual one. Its “key” is ATP, a small molecule that plays a critical role in the storage and release of energy within cells in the body. In addition to binding the ATP, the CFTR channel must snip a phosphate group – one of three “P’s” – off the ATP molecule to function. But when, where and how often this crucial event takes place has remained obscure.
