Fact 1: Ribosomes are structures in the cytoplasm where proteins are made. Fact 2: Endoplasmic reticulum are membranes attached to ribosomes. Given the two facts above, endoplasmic reticulum are what attached to structures in the cytoplasm where proteins are made?
Pick from:
(a). recycling.
(b). allow growth.
(c). membranes.
(d). organ.
(e). layers of fat.
(f). more abundant.
(g). epidermal.
(h). Most plants.
Answer:
(c).