Please answer the following question: You are presented with the question "What are membranes attached to sites where proteins are made?" and the following answer choices: - the body's largest organ - Veins and arteries. - epidermis and dermis - layers of fat - cell walls - cell membranes - endoplasmic reticulum - brain cells Now knowing that ribosomes are sites where proteins are made and endoplasmic reticulum are membranes attached to ribosomes, choose the best answer.
Answer:
endoplasmic reticulum