Multiple choice

Which of the following pairs is/are not correctly matched?

  1. Serotonin : 5-hydroxytryptamine

  2. Epinephrine : 4,5-β-trihydroxyphenethylamine

  3. Melatonin : N-acetyl-5-methoxytryptamine

  4. Dopamine : 3,4-dihydroxyphenethylamine

  5. All of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Epinephrine (also known as adrenaline or 4,5-β-trihydroxy-N-methylphenethylamine) is a hormone and a neurotransmitter. Norepinephrine (also known as noradrenaline or 4,5-β-trihydroxyphenethylamine) is a catecholamine with multiple roles including those as a hormone and a neurotransmitter.

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