______ are predominant in stabilizing protein structure - ANSWERS-
weak interactions
the protein conformations lowest free energy has the - ANSWERS-
weakest interactions
folded proteins occupy ________ - ANSWERS-a low energy state and
the greatest stability
________ binds to the protein as they are being produced until the entire
polypeptide is produced - ANSWERS-the chaperones (or heat shock
proteins)
______ is the distribution of native conformation with loss of biological
activity - ANSWERS-denaturation
energy required for denaturation - ANSWERS-a few hydrogen bonds
denaturation is a ________ process - ANSWERS-reversible
END OF
PAGE
1
, BMSC 200 FINAL EXAM LATEST
quaternary structure constist of _____ - ANSWERS-multiple
polypeptide chains
additional isoforms are generated through.... - ANSWERS-post
translational modification
smallest protein has ______ amino acids - ANSWERS-51
the function of the protein depends on the _____ - ANSWERS-structure
the structure of the protein is determined by______ - ANSWERS-the
amino acid sequence
keratin has a _____ - ANSWERS-pseudo-seven repeat
coiled-coils are formed when______ - ANSWERS-2 or more helices
entertwine
the coiled coild of keratin involves_____ - ANSWERS-2 right handed
helicies wrapped around each other in a left hand fashion
END OF
PAGE
2
, BMSC 200 FINAL EXAM LATEST
coiled coils are linked together by - ANSWERS-disulfide bonds
collagen makes up - ANSWERS-20% of total proteins in our body
at the secondary level collagen forms______ - ANSWERS-a left handed
helix of 3 residues per turn
collagen cannot have an alpha helix because_____ - ANSWERS-it
contains glycine and proline
glycine is found in the - ANSWERS-coiled core of the protein
proline is found on the - ANSWERS-outside of the coiled coil
the strength of collagen comes from - ANSWERS-covalent linkages
covalent linkages undergo - ANSWERS-post translational modification
covalent linkages in collagen require - ANSWERS-ascorbic acid
END OF
PAGE
3
, BMSC 200 FINAL EXAM LATEST
primary structure of silk has a - ANSWERS-6 residue repeat
the secondary structure of silk is composed of - ANSWERS-beta sheets
fully extended polypeptide chains are related to - ANSWERS-strength
a ______ binds at a specific site on the protein called the ___________ -
ANSWERS-ligand, binding site
the binding of a ligand may cause __________ in the protein -
ANSWERS-a conformational change
the amount of oxygen can ________ - ANSWERS-limit an organisms
size
oxygen is poorly soluble in ______ - ANSWERS-aqueous solutions
myoglobin - ANSWERS-monomeric protein
hemoglobin - ANSWERS-tetrameric protein
END OF
PAGE
4