What is one was in which bacteria are different from viruses

Which of these organisms have the greatest amount of cell specialized

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

Describe the function of the endomembrane system? what organelles are involved?