What does the interaction between arrestin and clathrin promote?
a) the uptake of phosphorylated GPCRs into the cell by endocytosis
b) the uptake of phosphorylated GPCRs into the cell by endocytosis
c) the secretion of GPCRs
d) the uptake of free hormone
e) the expulsion of phosphorylated GPCRs from the cell by exocytosis
Ans: a) the uptake of phosphorylated GPCRs into the cell by endocytosis
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In Long Beach, CA, recent proposals have suggested removing the breakwall that has protected the Los Angeles/Long Beach harbor for nearly half a century. This has been suggested as a way of returning the Long Beach coastline to its natural pre-breakwall state. Can you suggest any reasons why this may not be such a good idea?
What will be an ideal response?
Which of the lakes in Figure 56-2 may have a thermocline?
a. 1
b. 2
c. 4
d. 1 and 3
e. 2 and 4
Rubbery cartilage, calcium-hardened bone tissue, lipid-storing adipose tissue, and blood are examples of specialized ____________________ tissues.
Fill in the blank(s) with the appropriate word(s).
Drinking purely distilled water can lead to cells becoming: