As well as energy, what do living things use food to provide?

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

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?

Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?