If you were to remove the ER retrieval signal from protein disulfide isomerase (PDI), which is normally a soluble resident of the ER lumen, where would you expect the modified PDI to be located?

#Question id: 4532

#Unit 3. Fundamental Processes

Locus control region, or LCR,

#Question id: 11859

#General Aptitude

#Question id: 4284

#Unit 3. Fundamental Processes

Assays for following the trafficking of proteins through the secretory pathway in living cells require

a. sensitive methods to distinguish the very small differences in organelle density caused by passage of a wave of protein transport through the organelle.

b. a way to identify compartments where labeled proteins are located.

c. the use of cell types that are highly dedicated secretory cells.

d. the use of enucleate cells in order to eliminate the nucleus as a site of labeling.

e. a way to label a cohort of secretory proteins

#Question id: 986

#Unit 1. Molecules and their Interaction Relevant to Biology

Inhibition of ATCase by a ________ nucleotide and activation of ATCase by a ________ nucleotide keep the balance of purine and pyrimidine pools in E. coli.

#Question id: 814

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following uncommon amino acids are not found in the proteins?