You need to cut down 3 trees to get to about 5 kilograms of bark. about how many tress do u have to cut down each year to make enough paclitaxel for 60,000 patients?

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.