You are in a hurry trying to perform SDS-PAGE for your independent research project so you can get out of the lab and lay out by the pool. In your haste, you grab an old aliquot of 6x loading buffer that is over a year old. Your gel seems to run normal and you add the GelCode Blue to your gel and go bask in the sun for an hour while the gel stains. When you come back to observe it, you see that in addition to the 30 kDa band you expect, you also see a band near 60 kDa. What do you think might have happened

Match each feature of e-publishing as an advantage, a disadvantage, a threat, or an opportunity. (choices) increased collaboration digitalized out-of-print versions monopoly over digital formats requirement for a specialized digital device pairs advantage of e-publishing disadvantage of e- opportunity for e- threat to e-

If an improvement creates no significant change in a product’s performance, then it is a(n) ? a0 design improvement. (there are no answer choices)

When you type the pwd command, you notice that your current location on the linux filesystem is the /usr/local directory. answer the following questions, assuming that your current directory is /usr/local for each question. a. which command could you use to change to the /usr directory using an absolute pathname? b. which command could you use to change to the /usr directory using a relative pathname? c. which command could you use to change to the /usr/local/share/info directory using an absolute pathname? d. which command could you use to change to the /usr/local/share/info directory using a relative pathname? e. which command could you use to change to the /etc directory using an absolute pathname? f. which command could you use to change to the /etc directory using a relative pathname?