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Post-UTME Biology 2019 Objective — Question 12

Question 12 of 20 from the Post-UTME Screening (Post-UTME) Biology 2019 Objective paper, with the correct answer and a full explanation.

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Which of the following plays a direct role in the transmission of impulses across a synapse?

  • A. AcetylcholineCorrect
  • B. Cholinesterase
  • C. Sodium ion
  • D. Potassium ion

Explanation

Acetylcholine is a neurotransmitter released at the synapse that directly carries the nerve impulse from one neuron to the next.

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