The overall charge of an atom is neutral because it has the same amount of protons and neutrons. They are positive and negative so they cancel each other out.
Answer:
Some of these proteins serve to transport materials into or out of the cell. Carbohydrates are attached to some of the proteins and lipids on the outward-facing surface of the membrane. These form complexes that function to identify the cell to other cells.
Answer:
Gene expression is the process by which the information encoded in a gene is used to direct the assembly of a protein molecule. The cell reads the sequence of the gene in groups of three bases.
Explanation:
Soil are the home of many micro organisms and plays a essential role to Earth’s ecosystem. As a natural resource, soil filters water and gives nutrients to plants. Soil is the habitat of many foods and vital for agricultural. Soil also helps control Earth’s temperature by heating and cooling temperature.
