Biochemistry is the branch of science concerned with the chemical and physical-chemical processes that occur with living organisms<span />
<span>The right answer is: they work by blocking sodium channels in the cell membrane.
These drugs are used systemic and not local.
</span>they block sodium channels in the cell membrane in the synapses between neurons, and not along axons.
Many drug acts by blocking sodium channel, in a specific location, like antiepileptics in the nervous system, and digoxin and antiarrhythmic in the heart.
Answer:
Im not sure how to circle but the three components should be circled...
Explanation:
There are 8 nucleotides in this picture.
A nucleotide consists of a phosphate group (the blue circle), a pentose sugar (the blue pentagon), and a nitrogenous base (the red, green, purple, and yellow hexagons). One nucleotide would only have one of the nitrogenous bases.