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:

Holocrine

A mode of secretion in which the entire cell disintegrates to release its substances, often seen in sebaceous glands.

Exocrine

Pertaining to glands that secrete their products through ducts either onto the surface of an organ or outside the body.

Endocrine

Pertaining to glands that secrete hormones or other products directly into the blood.

Exocrine

Referring to glands that release their secretions through ducts to the external environment or into body cavities.