Polyunsaturated fats are often found in plants. 

The pH of pure water is — 

In the presence of water, can be broken down into adenosine diphosphate, inorganic phosphase, and .  

Which of the following was the first organic molecule to be synthesized artificially?

The level of protein structure which concerns the sequence of amino acids is:

A cell has a cell wall, cytoplasm, and no nucleus.  This cell is —

Which of the following are the monomers of polypeptides?

This macromolecule contains atoms of carbon, hydrogen, and oxygen and is often ring-shaped.

Which of the following best defines adhesion?

Select any that apply.  Which of the following LACK carbon-carbon double bonds?