The _______ is made up of two concentric membranes and is continuous with the membrane of the endoplasmic reticulum. 01:43 Biology The _______ is made up of two concentric membranes and is continuous with the membrane of the endoplasmic reticulum. (a) plasma membrane (b) Golgi network (c) mitochondrial membrane (d) nuclear envelope Answer: D Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+