29. What makes phospholipids good at forming cellular membra…

29. What makes phospholipids good at forming cellular membranes? A) the polar and nonpolar regions create an amphipathic bilayer of phospholipids B) regions of aliphatic and hydrophilic atoms causing an internalization of phosphorous making a bilayer C) the three saturated fatty tails in phospholipids create a semisolid like structure that maintains a cell’s shape D) covalent and ionic bonds between glycerols create a tight seal around the cell

  Total Output Price Marginal Revenue Average Total Cost…

  Total Output Price Marginal Revenue Average Total Cost Marginal Cost 1 $ 100 $ 100 $ 100.00 $ 30 2 90 80 63.00 26 3 80 60 52.67 32 4 70 40 49.50 40 5 60 20 49.60 50 6 50 0 50.00 52 7 40 −20 52.29 66 8 30 −40 55.75 80 9 20 −60 60.67 100 10 10 −80 67.60 130   Refer to the data above for a nondiscriminating monopolist.  a)   What level of output should the monopolist produce?  Using the profit-maximizing rule for the firm to explain. b)  Is this monopolist earning profit?  Do all monopoly’s make a profit?  Why or why not? c)  Name an industry that the above table could apply to?  What could be the source of this firm’s monopoly power?  Explain why this type of firm can remain a monopoly.  

  Price Qty Sold Total Revenue Marginal Revenue $ 20…

  Price Qty Sold Total Revenue Marginal Revenue $ 20 3 18 5 16 7 14 10 12 15 10 30 The table above  shows the demand schedule facing Nina, a monopolist selling baskets of rare flowers that can only be found on her land. a)  Complete the table above with Total Revenue and Marginal Revenue at each output and price level b)  Suppose that Nina has a constant marginal cost of $11 per basket,  how many baskets should Nina sell to maximize her profit or minimize her losses c)  What is the source of Nina’s monopoly power?  Explain why Nina is protected from competition and a scenario whereby Nina could lose her monopoly power.   d) Based on the information given,  do we know if Nina is earning a profit?  Why or why not?

Frito-Lay dominates the snack food business,  with half of a…

Frito-Lay dominates the snack food business,  with half of all salty snack items.  Competitors say that Frito-Lay has secured its dominant position with shelf-space rentals in retail stores,  paying as much as $40,000 annually to secure prime shelf space in grocery and convenience stores.  “Frito can afford it, ” says a regional rep for a competing company,  “we can’t”. A.   Explain what type of market structure firms in the salty snack foods market operate under.  Why do you say that? B.  What are the costs faced by firms in salty snacks?  Please label whether these costs are fixed or variable,  implicit or explicit. C.   What can competitors do in the face of this dominance by Frito-Lay?  Explain using what you have learned in module 4.