The ability to tolerate lactose throughout life most likely arose in ________.

You try to start your car, but it does not start. Which of these is a prediction?

In organic compounds, groups of atoms directly involved in chemical reactions are called ________. 

People with lactose intolerance do not have enough ________. 

What name is given to bonds that involve the sharing of electrons? 

Information about Trans Fats is reported on the Nutrition Facts Label of food items.

A single carbon atom can form a maximum of ________ covalent bond(s). 

A(n) ___________ variable is the treatment in an experiment while the ___________ variable is what is measured as an outcome. 

Humans store excess glucose in the form of a polysaccharide called 

What name is given to substances that resist changes in pH?