E Describe how increasing salinity afects the amount of fluid ejected each time a
contractie vacuole contracts. Calculate the water potential of an animal cell without
contractile vacuoles if water enters the cel and creates a solute potential of -2. Assume
that the pressure potential in the cell is 0

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures

Explain why biological control methods are generally environmentally superior to chemical pest control methods.

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?