Author: Anonymous

True or False: When living organisms transform energy from one form to another, some energy is lost as heat.  Heat is a form of potential energy.

Which of the following amino acids is a non-polar amino acid?

In 1828, Friedrich Wohler synthesized urea from ammonium and cyanate ions to demonstrate that organic molecules can be synthesized outside of an organism.  However, the scientific community was still skeptical about this view of mechanism over vitalism.  What was the main reason behind their skepticism about the results of his experiment?

Steroid sex hormones such as estradiol and testosterone  are derived from:

Which of the following statements is TRUE about cellulose and starch?

Fats are composed of two types of smaller molecules.  These molecules are:

Which of the following statements is FALSE about the glucose molecule?  

True or False: A denatured protein is biologically inactive.  Denaturation is usually a reversible state; however, sometimes a denatured protein cannot be “renatured” back to its correct structure. 

True or False: The level of biological organization that is immediately above the organism is the population.

Maltose is a disaccharide composed of: