Which term correctly identifies this part of a dermal (skin) cell? a) cytoplasm b) central vacuole c) chromatin d) cytoskeleton

The correct answer is option a) cytoplasm .

The cytoplasm is the fluid present in the cell. In the cytoplasm all the membrane bound organelles are present and the cytoplasm is present throughout the cell. It is mostly fluid and in a diagram, it is denoted as an empty space. So, the indicated part in the given picture is the cytoplasm of the cell.

it is a

explanation:

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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