A student measures the osmolality of two aqueous solutions, A and B. The student finds that the osmolality of solution B is much higher than solution A. Based on this
result, how do solutions A and B likely differ in the concentration of solutes in their
solution, and why?
1. Solution A likely is the more concentrated solution because osmolality
measures the moles of solute per kilogram of solute.
2. Solution B likely is the more concentrated solution because osmolality
measures the moles of solute per kilogram of solvent.
3. Solution A likely is the more concentrated solution because osmolality
measures the moles of solute per kilogram of solvent.
4. Solution B likely is the more concentrated solution because osmolality
measures the moles of solute per kilogram of solute.

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

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"1. it should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits. there are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but i can't think of an example where the fears didn't turn out to be baseless.  

first, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. the pros involve better medical treatment. the cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. looking at dna markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. and ok, actually i suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency."

explanation:

okay now i don't know this but for the pints nothing else to say bye

yes it is weird but true