Help pleas describe the structure of DNA. Be sure to include the following terms: nucleotide, phosphate, adenine, cytosine, guanine, and thymine.

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

im not intirely sure but i think the anwser is d relative humidity