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BIO 350 Lab #1 Schedule

BIO 350 Lab #1 Schedule. S ubmit proof of online safety quiz to TA Bio 350 lab safety overview (Room 202 specific) Attendance by clickers Introduction to electric currents in aqueous solutions, Ohm’s Law, and bread boards Complete bread board lab and calculations

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BIO 350 Lab #1 Schedule

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  1. BIO 350 Lab #1 Schedule • Submit proof of online safety quiz to TA • Bio 350 lab safety overview (Room 202 specific) • Attendance by clickers • Introduction to electric currents in aqueous solutions, Ohm’s Law, and bread boards • Complete bread board lab and calculations • Lab reports submitted via Safe Assign by Wed Sept 7, 5 PM

  2. Clicker Attendance Lab #1Which set of letters best completes the word: V_L_A_E • U F C • E H X • H V U • G T O

  3. Electric currents in aqueous solutions, Ohm’s Law, and bread boards • Text pages 49-51

  4. Charged molecules

  5. Current: Flow of Ions in Aqueous Solutions

  6. Measurements of Ion Movement • Ohm’s Law I = V/R • I = current • in amperes (A) • flow of charges through a solution • V = voltage • in volts (V) • represents the charge difference between two points • R = resistance • in ohms (W) • opposes passage of charges

  7. Influences on Current • X-sec area • Distance to travel • Availability of charge carriers (ions)

  8. Breadboards • Modeling movement of charges with metal instead of aqueous solutions

  9. Movement of charges

  10. Why bother? Current in physiological systems

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