PSIO 404 Exam I

Which of the following is a covalent post-translational modification of signal proteins which is also ATP-independent?

Which of the reactive oxygen species (ROS) is the most dangerous to cells?

When a signaling protein hydrolyzes a nucleotide triphosphate, order is produced. The resulting order is reflected in the formation of more protein-protein interactions.

For a generic switching reaction, which of the following statements is the most correct?

Which of the following terms refers to the way in which the binding of signal molecules alter conformation equilibrium for signal-processing proteins?

Which of the following is not a strategy for maintaining and improving stability in a signal-processing system?

Which of the following types of proteins acts to vastly speed up signal transduction by pre-assembling signaling proteins into a signaling complex?

Which statement is false?

Which family of proteins acts as unfoldases to dissociate protein-protein and protein-nucleic acid complexes?

Chaperone proteins such as heat shock protein 90 (Hsp90) use the energy of _____ hydrolysis to enable misfolded steroid hormone receptors to go from native state (stable but non-functional state) to functional state.

For the phosphorylation switch, which of the following amino acids is not a common target of phosphorylation?

Which of the major subfamilies of protein kinases includes protein kinases that are activated by cAMP and cGMP?

Which of the major subfamilies of protein kinases includes protein kinases that phosphorylate Ser and Thr amino acids in the neighborhood of Pro residues?

Which of the major subfamilies of protein kinases includes mainly protein kinases that are constituents of MAP kinase modules?