How are viruses different from bacteria? Bacteria are heterotrophic, while viruses are autotrophic.
Bacteria are living organisms; viruses are not.
Bacteria have a membrane-bound nucleus, while viruses do not.
Bacteria are multicellular; viruses are single cells

Which of the following is an example of a tissue on the digestive system a.the stomach b.smooth muscle that lines the stomach c.nerve cells in the stomach d. enzyme molecules in the stomach

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis