What accounts for the different chemical bonds between atoms of different elements?                  

ATP is the energy currency of the cell. 

Which are true about enzymes?

Why are controls needed in scientific studies?  

Why are controls needed in scientific studies?  

The original cell theory includes:                     

Contrast cilia and flagellae. 

Phosphate groups are important components of which macromolecules?                     

Water’s cohesiveness and adhesiveness allows/creates                   

Contrast cilia and flagellae.