MCB2210 FALL 2012 PROBLEM SET 3 1.The electrical signal of the action potential is first converted to a chemical signal at which step? a. Influx of Ca2 + triggered by voltage-gated Ca2 + channels. b. Binding of Ca2 + to receptors on synaptic vesicles

3/6/13 MCB 2000 Lecture 13 Allosteric Enzymes- - DO NOT show Michaelis-Menten kinetics Michaelis-Menten Hyperbolic Allosteric Sigmoidal 3/6/13 MCB 2000 Lecture 13 What do we mean by allosteric ? • Allosteric--derived from the Greek--meaning other sha

Specialized Cells 11.26.12 Finishing up … Last Week 10. Cell cycle 11. Cell Interactions 12. Cell Movement This Week 13. Specialized Cells 14. Stem Cells 15. Pathogen-infected Cells Next Week 16. Cancer Cells 17. Cell Death 18. In-class Review Remind

MCB2000 Exam III Lecture 17 – Signal Transduction Introduction 1.) Cells can interact with the environment in both directions 2.) Interconnected 3.) Extremely complex Failure to either regulate signal transduction cascades or to terminate the signal

3/29 & 4/1/13 MCB 2000 Lecture 19 Outline: Glycolysis • Function • Where does it occur? • When does it occur? • Types of chemical reactions • Key reactions / enzymes • Fate of pyruvate: fermentation vs. aerobic respiration • How is it regulated? 3/29