Antagonists do not allow the transfer of message through receptors.

Which of the following artificial sweeteners can be only used in soft drinks?

Which of the following is not a reason for the selectivity of receptors towards messengers?

Which of the following is not a preservative?

Which of the following drugs help in subsiding the effects of allergic reaction?

Which of the following is not an opiate?

Which of the following is the least suitable antacid?

Which of the following compounds is added in soaps as an antiseptic?