Final Exam - BioChem (1,3,6,7,10)
Two Amino acids of the stranded 20 contain sulfur atoms..
methionine and cysteine
3 multiple choice options
amino acids are ampholytes becuase they can function as either a(n):
acid or base
3 multiple choice options
Titration of valine by a strong base, for example NaOH, reveals two pk's. The titration
reaction occuring at pk2 (pk2 = 9.62)
-NH3+ + OH- -----> -NH2 + H2O
Pick the odd amino acid out
Tyrosine
3 multiple choice options
One of the following has the functional group called functional guanidinium group
Arginine
3 multiple choice options
Amino Acids, when dissolved in water, become zwitterions because
they have an acidic group that stays deprotonated (or becomes deprotonated) at
pH=7 and a basic group that stays Protonated (or becomes protonated) at pH=7
3 multiple choice options
This amino acid in the diagram below has:
3 Iniozable groups
3 multiple choice options
The following graph represent the titration curve of:
Histidine
3 multiple choice options
Prosthetic groups in the class of proteins known as glycoproteins are composed of:
carbohydrates
3 multiple choice options
We have an expert-written solution to this problem!
which should elute second in size-exclusion (gel filtration) chromatography?
immunoglobin G M1= 145,000
, 3 multiple choice options
By adding SDS (sodium dodecyl sulfate) during the electrophoresis of proteins, it is
possible to:
determine a protein's isoelectric point
3 multiple choice options
The term specific activity differs from the term activity in that specific activity:
is measured only under optimal conditions
3 multiple choice options
At what pH will this amino acid migrate effectively towards a negative electrode?
pH ≤ 2.82
3 multiple choice options
A Biochemist is attempting to separate a DNA-binding protein (protein X) from other
proteins in a solution. Only three other proteins (A, B, and C) are present. The
proteins have the following properties:
What type of protein separation techniques might she use to separate protein X from
protein A?
Size-exclusion (gel filtration) chromatography to separate on the basis of size
3 multiple choice options
A Biochemist is attempting to separate a DNA-binding protein (protein X) from other
proteins in a solution. Only three other proteins (A, B, and C) are present. The
proteins have the following properties:
What type of protein separation techniques might she use to separate protein X from
protein B?
ion-exchange chromatography or isoelectric focusing to separate on the basis of
charge
3 multiple choice options
A Biochemist is attempting to separate a DNA-binding protein (protein X) from other
proteins in a solution. Only three other proteins (A, B, and C) are present. The
proteins have the following properties:
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Hkane. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
