KU BIOL 600 SAMPLE EXAM QUESTIONS AND
ANSWERS
hydrogen bonds connect each amino acid on one polypeptide strand to a single
amino acid on an adjacent strand. - ANSWER antiparallel beta-sheet
The ion-exchange chromatography is used to purify proteins based on protein -
ANSWER charge
What amino acids are found in the catalytic triad of chymotrypsin - ANSWER
serine, histidine, and aspartate
The structure of normal adult hemoglobin can be described as - ANSWER a
tetramer composed of two αβ dimers.
Name the main functions of lipids - ANSWER 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. - ANSWER
competitive
Fructose can cyclize to a - ANSWER both pyranose and furanose ring forms.
Inhibitors against which viral enzyme have potential as anti-influenza agents? -
ANSWER neuramidase
Unsaturation of acyl chains ________ melting points of fatty acids and their
derivatives. - ANSWER decrease
When insulin binds to its receptor, which of the following occurs? - ANSWER
A PIP2-dependent kinase is activated.
Adenylate cyclase - ANSWER converts ATP to cAMP
ANSWERS
hydrogen bonds connect each amino acid on one polypeptide strand to a single
amino acid on an adjacent strand. - ANSWER antiparallel beta-sheet
The ion-exchange chromatography is used to purify proteins based on protein -
ANSWER charge
What amino acids are found in the catalytic triad of chymotrypsin - ANSWER
serine, histidine, and aspartate
The structure of normal adult hemoglobin can be described as - ANSWER a
tetramer composed of two αβ dimers.
Name the main functions of lipids - ANSWER 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. - ANSWER
competitive
Fructose can cyclize to a - ANSWER both pyranose and furanose ring forms.
Inhibitors against which viral enzyme have potential as anti-influenza agents? -
ANSWER neuramidase
Unsaturation of acyl chains ________ melting points of fatty acids and their
derivatives. - ANSWER decrease
When insulin binds to its receptor, which of the following occurs? - ANSWER
A PIP2-dependent kinase is activated.
Adenylate cyclase - ANSWER converts ATP to cAMP
