MCT 1-Quiz
All amino acids are chiral except for... correct answers glycine
Proteins only contain... correct answers L amino acids
Class: Glycine correct answers Nonpolar, aliphatic
Class: Alanine correct answers Nonpolar, aliphatic
Class: Proline correct answers Nonpolar, aliphatic
Class: Valine correct answers Nonpolar, aliphatic
Class: Leucine correct answers Nonpolar, aliphatic
Class: Isoleucine correct answers Nonpolar, aliphatic
Class: Methionine correct answers Nonpolar, aliphatic
Class: Phenylalanine correct answers Aromatic
Class: Tyrosine correct answers Aromatic
Class: Tryptophan correct answers Aromatic
Class: Serine correct answers Polar, uncharged
Class: Threonine correct answers Polar, uncharged
Class: Cysteine correct answers Polar, uncharged
Class: Asparagine correct answers Polar, uncharged
Class: Glutamine correct answers Polar, uncharged
Class: Lysine correct answers Positively charged
Class: Arginine correct answers Positively charged
Class: Histidine correct answers Positively charged
Class: Aspartate correct answers Negatively charged
, Class: Glutamate correct answers Negatively charged
Alpha carboxyl group on amino acid is ___ acidic than other carboxylic acids correct
answers More
Alpha amino group on amino acid is ____ basic than other amines correct answers
Less
Post-translational modifications correct answers Crosslinks, phosphorylation,
glycosylation, methylation, hydroxylation, lipidation
Crosslinks correct answers Common post-translational modification
Phosphorylation correct answers Signal transduction
Glycosylation correct answers Targeting, cell surface display, signaling
Methylation correct answers Epigenetic code in nucleosomes
Collagen correct answers Left handed helix made of three helices (not alpha helical in
structure)
Lipidation correct answers Targeting to membrane, signal transduction
Condensation reaction correct answers Amine group attacks carboxyl group, water and
peptide bond are products
Cis or trans peptide bonds more favorable? correct answers Trans
Phi bond correct answers Alpha carbon to nitrogen
Psi bond correct answers Alpha carbon to carbon
Numbering and naming proteins starts from the... correct answers N terminus
Alpha helix rule of ____ atoms between H bonding correct answers 13, 3.6 residues
per turn
B strands, ____ residues/repeat correct answers 2, parallel slightly more compact
Type I beta turn correct answers proline in position 2
Type II beta turn correct answers glycine in position 3
Beta turn 180 degree turn accomplished in ____ residues correct answers 4
All amino acids are chiral except for... correct answers glycine
Proteins only contain... correct answers L amino acids
Class: Glycine correct answers Nonpolar, aliphatic
Class: Alanine correct answers Nonpolar, aliphatic
Class: Proline correct answers Nonpolar, aliphatic
Class: Valine correct answers Nonpolar, aliphatic
Class: Leucine correct answers Nonpolar, aliphatic
Class: Isoleucine correct answers Nonpolar, aliphatic
Class: Methionine correct answers Nonpolar, aliphatic
Class: Phenylalanine correct answers Aromatic
Class: Tyrosine correct answers Aromatic
Class: Tryptophan correct answers Aromatic
Class: Serine correct answers Polar, uncharged
Class: Threonine correct answers Polar, uncharged
Class: Cysteine correct answers Polar, uncharged
Class: Asparagine correct answers Polar, uncharged
Class: Glutamine correct answers Polar, uncharged
Class: Lysine correct answers Positively charged
Class: Arginine correct answers Positively charged
Class: Histidine correct answers Positively charged
Class: Aspartate correct answers Negatively charged
, Class: Glutamate correct answers Negatively charged
Alpha carboxyl group on amino acid is ___ acidic than other carboxylic acids correct
answers More
Alpha amino group on amino acid is ____ basic than other amines correct answers
Less
Post-translational modifications correct answers Crosslinks, phosphorylation,
glycosylation, methylation, hydroxylation, lipidation
Crosslinks correct answers Common post-translational modification
Phosphorylation correct answers Signal transduction
Glycosylation correct answers Targeting, cell surface display, signaling
Methylation correct answers Epigenetic code in nucleosomes
Collagen correct answers Left handed helix made of three helices (not alpha helical in
structure)
Lipidation correct answers Targeting to membrane, signal transduction
Condensation reaction correct answers Amine group attacks carboxyl group, water and
peptide bond are products
Cis or trans peptide bonds more favorable? correct answers Trans
Phi bond correct answers Alpha carbon to nitrogen
Psi bond correct answers Alpha carbon to carbon
Numbering and naming proteins starts from the... correct answers N terminus
Alpha helix rule of ____ atoms between H bonding correct answers 13, 3.6 residues
per turn
B strands, ____ residues/repeat correct answers 2, parallel slightly more compact
Type I beta turn correct answers proline in position 2
Type II beta turn correct answers glycine in position 3
Beta turn 180 degree turn accomplished in ____ residues correct answers 4
