Exam 1 - Amino Acids (5)

acidic side chains have what charge

negative bc they are in their ionization state when fully deprotonated (high pH)

basic side chains have what charge

positive bc they are in their ionixation state when fully protonated (low pH)

what is the monomer and polymer for amino acids

animo acids, protein

what are the two main parts of amino acid

amino group and carboxyl group

what is non-ionized vs ionized form of amino acid

ionized form has protonated amino group so extra H so is positive and carboxyl group has no H so is neg

what bond joins amino acids

pepttide bond

is peptide bond flexible

no bc has double bond character

peptide bond formation goes through what reaction

condensation reaction

which groups of amino acid form peptide bond

amino group of one, carboxyl group of another

how many amino acids are there

20

polar uncharged side chains have what charge

neutral at any pH value bc do not ionize

non-polar uncharged side chains have what charge

neutral at any pH value

how does size of non-polar uncharged side chain

larger the side chain, larger the hydrophobic effect

what are special side chains

not nonpolar/polar
- some form disulfide bond
- no chiral center on the C