Chem 105 Final Exam test 3
an amine group.
A basic amino acid has an R group that contains
protein.
A chain made of more than 50 amino acids is usually referred to as a(n)
amines; carboxylic acids
Amides are derivatives of _____ and ______
essential.
Amino acids that are not synthesized in the body and must be obtained from the diet are called
disrupts the secondary, tertiary, or quaternary structure of a protein.
Denaturation of a protein
diethylammonium chloride.
Diethylamine and HCl react to produce
Phenylalanine, Phe, F
Give the correct name and three and one letter abbreviation for the amino acid shown,
negatively charged.
In a typical amino acid at physiological pH, the carboxylate is
alanine.
In the peptide Ala-Try-Gly-Phe, the N-terminal amino acid is
ammonium salt
In what form are amine-containing drugs often administered?
tertiary
In what kind of amine can the molecules NOT form hydrogen bonds with each other?
a sulfur atom.
Methionine is an amino acid that contains
N-ethylpropanamide.
The IUPAC name for this compound is
B
The compound shown below is classified as a
hydrophobic.
The following amino acid R group is
hydrogen bonds.
The interactions that are important in the secondary structure of a protein are
amide bonds.
The peptide bonds that combine amino acids in the primary structure of a protein are
N,N-dimethylbutanamide.
The reaction of butanoic acid and dimethylamine gives
side chain or R group.
The structural formulas of amino acids are the same EXCEPT for the
C
What is the IUPAC name of the following compound?
amide
What is the major functional group in the following compound?
peptide bonds
What kinds of interactions are NOT part of tertiary protein structure?
higher
What relation does the boiling point of an amine have to a similar hydrocarbon?
salt bridges
What type of interaction would you expect between the following R groups in the tertiary structure of a protein?
B
Which R group would most likely be found in a hydrophobic area of the tertiary structure of a protein?
CH3 - CH2 - CH3
Which of the following compounds CANNOT form hydrogen bonds with water?
C
Which of the following compounds is an amine?
pyrrolidine
Which of the following is a heterocyclic amine?
a helix
Which of the following is an example of a secondary protein structure?
A
Which of the following is the correct structure for Ser-Ala-Asp? The R groups are
A
Which of the following is the reaction for the acid hydrolysis of N-methylacetamide?
E
Which of the following represents the neutralization of N,N-dimethylamine?
Gly-Val-Leu, Gly-Leu-Val, Val-Leu-Gly, Val-Gly-Leu, Leu-Gly-Val, Leu-Val-Gly
Which of the following shows all of the tripeptides that can be formed from one molecule each of glycine (Gly), valine (Val), and leucine (Leu)?
