Diffusion Across a Cell Membrane. Diffusion is the movement of a substance across a membrane. Substances diffuse across cell membranes in a process known as passive transport. This means that the cell does not expend any energy in transporting substances across the cell membrane. Instead, substances move down their concentration gradient as a result of random thermal motion.
401k and profit sharing plans are both forms of retirement plans. They allow employees to make pre-tax contributions to an account where contributions and earnings are not taxed until distributed. Some 401k plans require an employer to make contributions to a plan.
A taxable capital gain is the difference between your selling price for shares and the price you paid for the shares. Your purchase price for shares is called your cost basis. Reinvested dividends are taxed when earned and then add to your cost basis in the investment for capital gains purposes.For example, you invested $1,000 in a mutual fund and have earned and reinvested $50 in dividends. As a result your cost basis is $1,050. taxable capital gain is the difference between your selling price for shares and the price you paid for the shares. Your purchase price for shares is called your cost basis. Reinvested dividends are taxed when earned and then add to your cost basis in the investment for capital gains purposes.