DNA makes RNA.  RNA makes protein.  This process is called ______________. 

Most people stop producing the enzyme lactase in early childhood and can’t easily digest the milk sugar lactose.  

A product, concentration of active ingredient, or  procedure being tested would be an example of which of the following variables in a study?

An object is sliding across a floor (in the positive x-direction) with constant speed. You can be sure that

Which of the following structures have ribosomes embedded on them?

Human resistance to a given viral infection may be the result of ___.   

Which of these processes can move a solute from low to high concentration 

The phospholipid bilayer that covers a muscle cell is which?

A measurement of how hard it is to break the surface of a liquid is called ___________. 

Carbon-based molecules are called ________________.