Thenuclear pore complex shows remarkable flexibility in transport. howdoes the npc transport so many different rnas and proteins acrossthe nuclear envelope?
Related textbook solutions
Related questions
1. Which mutation is an example of an adaptation?â
| a. | A mutation results in decreased sperm count in humans.â | |
| b. | âA mutation is found to be the cause of Alzheimer's Disease. | |
| c. | âA mutation results in hairless cats, reducing allergies in humans. | |
| d. | âA mutation increases the size of tomato plants. | |
| e. | âA mutation renders an individual immune to HIV infection. |
2. The prokaryotic chromosome is comprised of a ____.
| a. | âhighly folded mass of a single, linear molecule of DNA | |
| b. | âloosely folded mass of a single, linear molecule of DNA | |
| c. | âhighly folded mass of a double, circular molecule of DNA | |
| d. | âhighly folded mass of a single, circular molecule of DNA | |
| e. | âloosely folded mass of a single, circular molecule of DNA |
3. Which methodology was used by researchers to identify the nuclear localization sequence?â
| a. | infection of cells in culture with viruses containing sequential deletions of amino acids in a protein known to localize to the nucleus, followed by microscopic determination of cellular localizationâ | |
| b. | âtreatment of cells in culture with pharmacological agents that inhibit the nuclear pore complex, followed by microscopic determination of cellular localization | |
| c. | âtransfection of cells in culture with mutant human proteins containing sequences believed to be required for nuclear localization followed by microscopic determination of cellular localization | |
| d. | âfluorescently labeling cells with known nuclear proteins and tracking changes in localization in the presence or absence of nuclear pore complex proteins | |
| e. | âtreatment of cells in culture with pharmacological agents that binds to the nuclear localization sequence and prevents nuclear transport, followed by microscopic determination of cellular localization27. Cells actively secreting enzymes would likely carry out more ____ than other cells.â |
4. Cells actively secreting enzymes would likely carry out more ____ than other cells.â
| a. | exocytosisâ | |
| b. | âosmosis | |
| c. | âendocytosis | |
| d. | âconjugation | |
| e. | âFractionation |
5. What is a function of prokaryotic common pili?â
| a. | âbiofilm formation | |
| b. | âtransfer of DNA | |
| c. | âprotein polymerization | |
| d. | âenergy production | |
| e. | âlipid synthesis |
