The part of the experiment in which you leave out the independent variable. you compare this to the experimental group.

Common commercial benefits of microorganisms include synthesis ofa. insulin.b. antibiotics.c. aspirin.d. antibiotics and aspirin.e. antibiotics and insulin.

What was the land like over 500 million years ago? what was under the sea?

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture