Internet Activites

	Hole's Human Anatomy and Physiology 8/e Shier/Butler/Lewis
	Student Online Learning Center

Chapter 2: Chemical Basis of Life

Internet Activities

Chapter 2: Introduction to Human Anatomy and Physiololgy

The Periodic Table
This site provides information on the periodic table that includes the groups, periods, valences, electron shells, and characteristic trends.
Question: What are the characteristic trends of the periodic table?
The Learning Matters of Chemistry
These interactive chemistry exercises allow the user to visualize atomic orbitals. The 3-D animations are very helpful to the beginning chemistry student. Select "Computer Graphics".
Question: What is the maximum number of electrons that may occupy the "s" and "p" orbitals? Draw Bohr's model of a carbon atom on a piece of paper.

Proteins
Structural formulas of the amino acids appear at this site.
Question: On a piece of paper, draw the general structural formula shared by all amino acids. What type of bonds occur between amino acids to form proteins?
Primary through Quaternary Structure
The levels of protein structure are discussed and nicely illustrated.
Question: What are the four structural levels of proteins?

Macromolecules
This is an excellent introduction to carbohydrates, nucleic acids, and proteins.
Question: On a piece of paper, match the monomer unit with the appropriate macromolecule:

1. Monosaccharide	A. Proteins
2. Nucleotide	B. Carbohydrates
3. Amino Acids	C. Nucleic Acid

Chemical Sciences: Biochemistry: Carbohydrates
Interesting information on carbohydrates is presented at this site. Monosaccharides, disaccharides, and polysaccharides are discussed.
Question: Name the four classes of compounds that are necessary for living organisms.

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