Someone has just given you cDNA for GFP and you would like to design a construct that would result in GFP becoming resident within the ER. What would do to this cDNA that would result in this becoming resident within the ER.

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.