KU biol 600- sample final Questions and Verified
Answers
hydrogen bonds connect each amino acid on one polypeptide strand to a single
amino acid on an adjacent strand.
Ans: antiparallel beta-sheet
The ion-exchange chromatography is used to purify proteins based on protein
Ans: charge
What amino acids are found in the catalytic triad of chymotrypsin
Ans: serine, histidine, and aspartate
The structure of normal adult hemoglobin can be described as
Ans: a tetramer composed of two αβ dimers.
Name the main functions of lipids
Ans: cell signaling, fuel source, membrane component
A __________________________ inhibitor has a structure similar to the substrate
and reversibly binds to the active site of the enzyme.
Ans: competitive
Fructose can cyclize to a
Ans: both pyranose and furanose ring forms.
Inhibitors against which viral enzyme have potential as anti-influenza agents?
Ans: neuramidase
Unsaturation of acyl chains ________ melting points of fatty acids and their
derivatives.
Ans: decrease
When insulin binds to its receptor, which of the following occurs?