On. You cannot see field of viel 15 Possible problems)
D You have just set your microscope up for use and turned​

About __ of the mass of the cell is water

What is the next step in the process after a substrate enters the active site of an enzyme

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes