You cut a plasmid with a restriction enzyme that cuts it into three pieces — one fragment is 240 base pairs, one fragment is 600 base pairs, and one fragment is 1200 base pairs.  You carry out electrophoresis of the digested sample.  Which of the fragments will be closest to the top of the gel where the sample was loaded?

 In the experiments we examined in class, we discussed what could be concluded from each of several experiments, as well as the limitations of those experiments. The immunofluorescence microscopy experiment was NOT a suitable approach for determining whether two proteins are in a complex together because 

Which molecule passes through a lipid bilayer most easily?  

Free ribosomes are most likely to be abundant in cells that perform a lot of which of the following functions? 

If you mechanically shook a mixture of phospholipids and water, what would you expect to see when you observe the solution using an electron microscope? 

The reason that saturated and unsaturated fatty acids have different properties in phospholipid bilayers is that _____. 

Which of the following steps is not part of a procedure for a simple western blot? 

Cyanide binds with at least one molecule involved in producing ATP. If a cell is exposed to cyanide, most of the cyanide will be found within the _____. 

A firm’s total cost schedule is:OutputTotal Cost4210524062767320Over which interval is marginal cost highest?

A firm in perfect competition currently produces 80 units where P = MR = MC = $11. If market price falls to $9 and the new profit-maximizing quantity is 60, which statement is most likely true?