A large protein that passes through the nuclear pore must have an appropriate _________
(a) sorting sequence, which typically contains the positively charged amino acids lysine and arginine.
(b) sorting sequence, which typically contains the hydrophobic amino acids leucine and isoleucine.
(c) sequence to interact with the nuclear fibrils.
(d) Ran-interacting protein domain.
On the basis of these results, what is the function of protein B? Explain your conclusion and propose a mechanism for how protein B works.
Choice (a) is correct. The nuclear import receptor interacts with the fibrils of the nuclear pore [choice (c)] and Ran [choice (d)].
You might also like to view...
A solution contains 0.0000001 (10-7) moles of hydroxyl ions [OH-] per liter. Which of the following best describes this solution?
A) acidic: H+ acceptor B) basic: H+ acceptor C) acidic: H+ donor D) basic: H+ donor E) neutral
Which of these is NOT a characteristic of a shark?
a) skeleton of cartilage b) ability to sense electric currents in the water c) ability to sense pressure of other swimming objects d) a sucker used to attach to prey e) ability to detect blood in minute amounts
All vertebrates except ____ have a two-circuit circulatory system.
A. fish B. mammals C. birds D. amphibians E. reptiles
Neisseria gonorrhoeae is:
A. the cause of ophthalmia neonatorum. B. the cause of gonorrhea. C. called the gonococcus. D. virulent due to fimbriae and a protease that inactivates IgA. E. All of the choices are correct.