1Name all Nonpolar Amino Acid
Alanine, Valine, Leucine, Isoleucine, Proline, Phenalalynine, Methionine, Triptophan, Glycine.
2Is Polar Hydrophobic or Hydrophilic
Hydrophilic
3Name all Uncharged Polar Amino Acids
Asparaginine, Glutamine, Serionine, Threonine, Tyrosine, Cysteine.
4Is Nonpolar Hydrophobic or Hydrophilic
Hydrophobic
5What is each Amino Acid held together by?
Covalent bonds called Peptide bond.
6How is Peptide Bond formed?
Carboxyl group of Amino Acid shares an electron with the nitrogen of another Amino Acid. (Carboxyl end, Amino terminal end). This process gives a water molecule a dehydration process.
7What kind of Amino acid is Asparaginine
Uncharged Polar Amino Acid
8Why do Polypeptides begin to fold up?
Hydrogens and Oxygens form hydrogen bonds from differences in electronegativity. Intramolecular forces such as Vanderwal, hydrogen bonds and Ionic bonds.
9Define Vanderwal
Dispersion forces, Nonpolar atoms electron cloud fluctuates creates a flickering dipole. Weak attraction force.
10Name all Polar Positively Charged Amino Acid (Basic)
Lysine, Arginine, Histidine
11What kind of Amino acid is Arginine
Polar Positively Charged Amino Acid
12What kind of amino acids cluster in the interior of a peptide?
Hydrophobic or Nonpolar
13Denaturing is reversible as long as...
Covalent bonds are intact
14What do secondary structures involve?
Hydrogen bonding
15What do Tertiary structures involve?
R groups
16How is proper folding ensured within a cell?
Molecular Chaperone - Binds partly to folded proteins and helps them progress along the most energetically favorable pathway.
17Explain Primary and Secondary sequences:
Primary is AA sequence, Secondary is segments of polypeptide sequence that spontaneously forms alpha helices and beta sheets.
18What do Amphipathic alpha helix have?
Repeating nonpolar sidechains every 3rd then the next 4th amino acid. NxxNxxxNxxNxxxN. Polar side chains at every 3rd then 4th amino acid. xxPxxxPxxPxxxPxxP.
19What kind of Amino acid is Glycine
Nonpolar Amino Acid
20What kind of Amino acid is Phenylalanine
Nonpolar Amino Acid
21What kind of Amino acid is Proline
Non Polar Amino Acid
22What kind of Amino acid is Methinonine
Non Polar Amino Acid
23What kind of Amino acid is Histidine
Polar Postively charged Amino Acid
24What kind of Amino acid is Aspartic Acid
Polar negatively charged Amino Acid
25What kind of Amino acid is Serionine
Uncharged Polar Amino Acid
26What kind of Amino acid is Glutamine
Uncharged Polar Amino Acid
27What kind of Amino acid is Triptophan
Uncharged Polar Amino Acid
28Name all Polar Negatively charged Amino Acid (Acidic)
Aspartic Acid, Glutamic Acid