Steroids are best described as _________________________.

Redox reactions are critical to biological function and transfer energy from one molecule to another.

Steroids are best described as _________________________.

Compare and contrast carbohydrates, lipids, and proteins.  Be sure to give at least THREE (3) similarities and at least THREE (3) differences.  In your descriptions, please give examples of each one.  (HINT: Consider both structural similarities/differences AND functional similarities/differences)

Match the following functions to the organelle indicated by the letter (you may use an answer more than once):

Anatomy is the study of the structure of body parts and their relationship to one another

Solutions, colloids, and suspensions are all examples of types of mixtures.

Amino acids always have an amine group and a carboxylic acid group.

Match the following functions to the organelle indicated by the letter (you may use an answer more than once):

This essay question has two parts.  You must answer both parts to receive full credit: 1) Compare and contrast positive and negative feedback. Be sure to give at least TWO (2) differences and TWO (2) similarities. In your descriptions, be sure to give examples of positive and negative feedback. 2) Why is feedback (positive and negative) important to the concept of homeostasis?