Assume you are trying to insert a gene into a plasmid. someone gives you a preparation of genomic dna that has been cut with restriction enzyme x. the gene you wish to insert has sites on both ends for cutting by restriction enzyme y. you have a plasmid with a single site for y but not for x. your strategy should be to:

Which of the following statements about a typical plasma membrane is correct? a. the plasma membrane is a covalently linked network of phospholipids and proteins that controls the movement of solutes into and out of a cell. b. the two sides of the plasma membrane have different lipid and protein composition. c. the hydrophilic interior of the membrane is composed primarily of the fatty acid tails of the phospholipids. d. phospholipids are the primary component that determines which solutes can cross the plasma membrane. e. carbohydrates on the membrane surface are important in determining the overall bilayer structure.