Why does the flower has the sugary liquid called the nectar?

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Differentiate renewable and nonrenewable resources

Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?