Part II: Short Answer (6 questions, 5-10 points each) 40 points

You discover two new proteins named nooblin1 and nooblin2 that are present in cow taste buds. Under normal conditions both nooblin1 and nooblin2 are resting on the inner leaflet of the plasma membrane next to an ion channel involved in detecting sour taste.  You form a hypothesis that nooblin1 helps bring nooblin2 to the plasma membrane.  Which of the following statements is the best rationale that supports this hypothesis?

During endocytosis, substances are transported into the cell by which of the following events?

What would be a good positive control for a typical immunofluorescence experiment?

4A. (4 pts) A drawing of an antibody is shown below.  Answer each question by referring to parts of the diagram. Answers may be used once, more than once, or not at all. Which part(s) bind to target proteins? Which parts are variable? Which part of secondary antibodies gets labeled? Which part of the primary antibody does the secondary antibody bind to?    

Someone who has taken MDMA (AKA “ecstasy”) is likely to have _____________  in the blood due to the drug’s antidiuretic function on the kidneys, as well as dangerous cell swelling caused by _________________.

Animal cells are permeable to water and urea but NOT to sucrose. The inside of a cell contains 1 M sucrose and 1 M urea and the outside 1 M sucrose and 2 M urea. The solution inside of the cell is ________with respect to outside the cell

Which of the following statements about the Na+/K+ pump is TRUE.

Match each type of transport with the letter corresponding to its correct description.

In microscopy, the term “resolution” refers to: