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Level 6

Biochemistry


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First Equivalence Point
What does the point C represent in the Titration graph
Second Equivalence Point
What does the point E represent in the Titration graph
First Buffer Zone
What area is represented between points A and C
Second Buffer Zone
What area is represented between points C and E
Half Equivalence Point
At what point on the titration does the pH = pKa for a weak acid
pH = pKa
At half equivalence point the ____ = _____ for a weak acid
2
Not including the side group (R), how many ionizable groups are available to be protonated on an Amino Acid
COOH
Of the ionizable groups in an Amino Acid which will be deprotonated first.
Isoelectric point
For a diprotic amino acid at which point is the AA become an amphoteric substance
Ampholyte
An amphoteric substance can also be called an ___________
Zwitterions
Most amino acids are _________ in the human bodies normal physiological pH range
Acid Base
At half equivalence point the there is an equal amount of ________ and _______ in the solution
Histidine
Which Amino Acid has a pKa (pKr) of the R group that is near the bodies neutral pH of 7
pH = pKa + log [base] / [acid]
What formula do we use as the Basis Rule for determing if a group on the Amino Acid has been Protonated or Deprotonated
Negative Protonated
If our solutions pH is LOWER then the ionizables groups pKa value that means the result of log[base]/[acid] must be _______ making that group ________