List two differences you would expect to see in the composition of lipids in the E. coli membrane when the cells are incubated at 25 ∘C compared to incubation at 37 ∘C. Match the items in the left column to the appropriate blanks in the sentence on the right.

1 shorter fatty acids2 longer fatty acids3 trans4 cis1. The membranes of cells grown at 25 °C would have with a greater number of double bonds compared to the membranes of cells grown at 37 °C.