All lipids are soluble in water.  

A hypothesis must be:

Water is an excellent solvent for polar substances.

Biology is the science that studies:

Lipids are characterized by being

The atom is the smallest and most fundamental unit of matter that retains the properties of an element.

What is an example of complex carbohydrates?

For general reference, 1 mile of walking is equal to ______________ steps. 

Which of the following is preferred prior to endurance training?

______________ muscle fibers involve fast contraction, high force, and resist fatigue. They also use both the aerobic and anaerobic energy systems.