Activity-based budgeting (ABB) is based on the outputs of activity-based planning. Activity Dictionary: A listing and description of activities that provides a common/standard definition of activities across the organization.
Transport proteins in the cell membranes regulate the passage of. positive ions and other substances from one side of the membrane to the other. Negative ions follow positive ions and water flows toward the more concentrated solution.
nucleus is the brain that controls the cell and holds the DNA.        Cell membrane   Controls what substances can get into and out of the cell.   Cytoplasm â¦   Jelly-like substance, where chemical reactions happen. In plant cells there's a thin lining, whereas in animal cells most of the cell is cytoplasm.