Acertain strain of e. coli is constitutive for the enzymes for lactose metabolism. on an f' plasmid you have the choice of adding one (but only one) element of the lac system to make the bacteria a merodiploid for that element. assume the original e. coli has wild-type structural loci. if your goal is to determine whether the lac operon is constitutive because of a mutant regulator or because of a mutant operator, which one wild-type element of the lac operon would you add using sexduction? a. operator region b. regulator (repressor) c. gene promoter region d. structural genes

Morgana company identifies three activities in its manufacturing process: machine setups, machining, and inspections. estimated annual overhead cost for each activity is $168,000, $315,900, an $97,200, respectively. the cost driver for each activity and the expected annual usage are number of setups 2,100, machine hours 24,300, and number of inspections 1,800. compute the overhead rate for each activity. machine setups $ per setup machining $ per machine hour inspections $ per inspection

Renaldo scanlon is a financial consultant. he earns $30 per hour and works 32.5 hours a week. what is his straight-time pay?

Companies in the u.s. car rental market vary greatly in terms of the size of the fleet, the number of locations, and annual revenue. in 2011 hertz had 320,000 cars in service and annual revenue of approximately $4.2 billion. the following data show the number of cars in service (1000s) and the annual revenue ($ millions) for six smaller car rental companies (auto rental news website, august 7, 2012). excel file: data14-09.xls if required, enter negative values as negative numbers. a. select a scatter diagram with the number of cars in service as the independent variable. b. what does the scatter diagram developed in part (a) indicate about the relationship between the two variables? c. use the least squares method to develop the estimated regression equation (to 3 decimals). ŷ = + x d. for every additional car placed in service, estimate how much annual revenue will change. by $ e. fox rent a car has 11,000 cars in service. use the estimated regression equation developed in part (c) to predict annual revenue for fox rent a car. round your answer to nearest whole value. $ million hide feedback partially correct