Because water is a polar molecule, it makes an excellent solvent for polar and compounds found within cells and tissues

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell

What is the name of the protein found in erythrocytes that transports respiratory gases and provides the red color?