BCHM 307 QUIZ 4 EXAM QUESTIONS WITH CERTIFIED ANSWERS
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Course
BCHM 307
Institution
BCHM 307
BCHM 307 QUIZ 4 EXAM QUESTIONS WITH CERTIFIED ANSWERS
Tertiary - Answer-What level of protein structure is characterized by the 3-dimensional structure of an entire polypeptide including amino acid side chains?
loss of water - Answer-The formation of a dipeptide from two amino acids requires _...
BCHM 307 QUIZ 4 EXAM QUESTIONS
WITH CERTIFIED ANSWERS
Tertiary - Answer-What level of protein structure is characterized by the 3-dimensional
structure of an entire polypeptide including amino acid side chains?
loss of water - Answer-The formation of a dipeptide from two amino acids requires
_________
Primary - Answer-What level of protein structure is characterized by the amino acid
sequence?
2 - Answer-At physiological pH, all amino acids have at least ________ charged groups
Gly - Answer-What is the C-terminal amino acid in the pentapeptide Val-Leu-Arg-Ser-
Gly?
hydrophobic interactions - Answer-What is the most critical interaction for maintaining
the tertiary structure of a protein?
Deprotonated and negatively charged - Answer-At a pH above its pKa, the R-group of
Asp is ________
Alanine - Answer-What is the N-terminal residue of the peptide AYSDG?
4 - Answer-At pH 3, how many charged groups are present in the pentapeptide Ala-
Asp-His-Ser-Lys
20^n - Answer-Since there are 20 amino acids, the # of possible linear polypeptides of
length N can be expressed as ________
Asp - Answer-If a protein underwent a mutation such that a Glu residue was changed to
another amino acid, what amino acid would likely not change the overall structure of the
protein?
Deprotonated and neutral - Answer-At a pH above its pKa, the ε-amino group of lysine
is ______
Ser - Answer-The amino acid ________ is commonly phosphorylated
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