Answer:
<h2>B</h2>
Explanation:
During synaptic transmission, the neurotransmitters are released from the pre-synaptic membrane and are released in the gap between pre and post synaptic membrane. These neurotransmitters are bind with receptors in the post-synaptic membrane and are absorbed and they change the membrane potential in post synaptic cell.
Antagonsitic effect/interaction/response
In order to combat antiobiotic resistance, and to possibly enhance the activity of antibiotics, they are sometimes used in combinations during treatment. However, three possible responses or effects can manifest.
First is antibiotic synergy, where the combined effect of the antibiotics enhances the activity/potency of the treatment compared to when the antibiotics are administered singly.
The effect is also distinguished from another type of response, which is additive effect, where the combined effect of the antibiotics is more or less equal to the combined activity/potency of each of the antibiotic when applied singly. Antibiotic synergy results in even greater enhancement of the activity of the combined antibiotics compared to additive effect.
Lastly, there is the antagonistic effect or response, where the combined effect of the antibiotics results in the weakening of the potencies of the antibiotics relative to the combined (additive effect) potencies of each of the antibiotics.
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It provided the large numbers of troops needed to reinforce the Allied effort.