Proteins
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24 Terms
out of tyrosine and tryptophan which has a higher absorbance?
tryptophan
what is the isoelectric point?
the pH at which a molecule does not have a net charge
formula for Ka from HA → A- + H+ formula
Ka=[H+][A-]/[HA]
do strong acids have a high or low Ka?
high
do weak acids have a high or low Ka?
low
formula for pKa
pKa=-log10Ka
do strong acids have a high or low pKa?
low
do weak acids have a high or low pKa?
high
do strong bases have a high or low pKa?
high
do weak bases have a low or high pKa?
low
if pH<pI of a for example glycine, will it have NH3+ or COO-?
NH3+
if pH>pI of a for example glycine, will it have NH3+ or COO-?
COO-
when dissolved in water what kind of ions do amino acids form?
zwitterions
if pH=pI of a for example glycine, will it have NH3+ or COO-?
it will have both
Note 
Flashcards (23)