Amino acid confusion

[pepocho]

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[gettheleadout]

Because dipole moments across bonds and molecules represent a spectrum of values, there can be some variability in classifying given groups as polar or non-polar since setting a cutoff for "polar" nature is somewhat arbitrary. Here are the classifications I used in my prep, sourced from TBR:

Charged: Aspartic acid Glutamic acid Histidine Arginine Lysine

Non-polar: Glycine Alanine Valine Isoleucine Leucine

Semi-polar: Phenylalanine Trytophan Methionine Proline

Polar (Hydrophilic): Glutamine Asparagine Tyrosine Threonine Serine Cysteine

Also, moving to Q&A.

 

[premed1001]

i thought polar was all: acidic basic alcoholic and amino?
and non polar the rest?

 

[chillinillinkillin007]

do yourself a favor and memorize the amino acids instead of grouping them

 

[pepocho]

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[pizza1994]

I was wondering the same thing....