As cells perform their functions, they need to absorb and food from their environment and remove products. Thus, cells must have mechanisms to move materials in and out of the cell through the .

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?

In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?

Who discovered tuberculosis bacteria?