A tariff is a tax on an imported good. Therefore for each unit of a good that is imported into a country the tariff increases the price of that good by however much the tariff is.Tariffs are usually implemented when the world price of a good is lower than the domestic price of a good.nswer Tariffs are a tax on importation, when you import a product over to a different country you have to pay a Tariff which is also known as a Tax when it first arrives in the country. Tariffs make the product your importing more expensive.
Because the cell requires certain substances such as oxygen and glucose, but do not need substances such as viruses or excess fat. The cell is able to control this, thereby ke â¦ eping the cell as healthy as possible.
If the Cell is a plant Cell, the Cell membrane  is inside of the Cell wall. It is semi-permeable, so water can move  freely into and out of the cell. Nutrient particles and gas  exchange occur where some molecules enter and waste products leave  through the Cell membrane. cell membrane protects a cell by controlling what substances go in and out of the cell. It lets good products go inside, but harmful products go out, which is basically prot â¦ ecting the cell.