How Many Protons Are There in a Molecule of Adrenaline

question 61

Multiple Choice

How many protons are there in a molecule of adrenaline (C₉H₁₃NO₃) , a neurotransmitter and hormone?

• A)22
• B)26
• C)43
• D)98
• E)183

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Definitions:

Median

The middle value in a data set, which separates the higher half from the lower half of the data distribution.

Statistically Significant

A result is statistically significant when it is unlikely to have occurred by chance alone, according to a predefined threshold in a statistical test.

Sample Groups

Selected groups of individuals from a larger population used in research to represent and draw conclusions about the whole population.

Chance Variation

Random fluctuations in data or characteristics within or across populations due to unpredictable causes.