Which type of cell is large and complex

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.

What's the waste product of electrons and pyruvate combining in fermentation?  

Explain why biological control methods are generally environmentally superior to chemical pest control methods.