Which statement is part of the cell theory? All cells are produced from other cells.

All cells have a nucleus.

All cells are the same as each other.

All organisms are made of more than one cell.

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria

How do cells grow and reproduce to maintain homeostasis?

Nh3 +02-no + h20 is unbalanced what is the balanced equation