Histidine an amino acid has the following structure. Circle the three most acidic protons in histidine. 
Definitions:
Deviant Behavior
Refers to actions or behaviors that violate social norms or values.
Diagnosable
Referring to a condition, often related to mental or physical health, that can be identified using specific criteria or tests by a healthcare professional.
Unusual
Something that deviates from what is commonly expected or considered as normal; not ordinary.
DSM-5
The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, a comprehensive classification of mental disorders.
Q17: Assign the absolute configuration of the chirality
Q19: The MOST common version of the BDNF
Q20: Predict the product for the following reaction.
Q22: Draw a Newman projection for the following
Q24: Predict the sign of ∆G for an
Q68: Which of the following compounds have a
Q89: For the following reaction mechanism, identify the
Q97: Rank the indicated protons in decreasing order
Q135: Which compound does not have a linear
Q188: Which of the following compounds contains the