Announcements:

• Concept maps graded and outside lab.• Exams graded and scores online. Go see

your recitation instructor and view exam. • Papers being graded this week by TAs.• Interviews in lab all week (with partner)• Change in syllabus

Exam I Results:

• Essays were scary: In particular the folks that didn’t know the difference between a polysaccharide and a phospholipid.

• -> So, delete Chapter 12 add Chapter 3.

TOTAL AVE= 73%

Essay AVE= 60%

Multiple choice AVE= 77%

Macromolecules: 4 types/polymers

Sugars: di-tri-poly-saccharides

Fats: tri-glycerides and phospholipids

DNA/RNA: di-tri-polynucleotides

Protein: di-tri-polypeptides

Handout

• Learn Structures and Functions of these four fundamental macromolecules

What do/should you know at this point in the course?

PUT IT ALL TOGETHER:Trace the path of CO2 from air to sugar to duodenum to beta cell to insulin secretion.

CO2 -> ?