BIO ENG 110 Study Guide - Midterm Guide: Flow Velocity, Cardiac Output, Aorta
Document Summary
Question 1 answer: the diffusion coefficient of beta-lactamase can be calculated by the stokes-einstein equation: 6"() r = 1. 7 nm, ) = 1 +,- /, k is the boltzmann"s constant 1. 38 * 10-23 j*k-1, t is absolute temperature in k, and t = 298. 15 k for t = 25 c. so we have, 6 " 1. 7 104=+ 1046,- / 6 " 1. 7 10485 +5/48 = 1. 28 1048>+5/48: according to the fick law of diffusion, Since j1=pa(11 mm 1 mm), we know that the new j2 = pa(30 mm -10 mm) = 2j1 = 0. 002 mmol/hr: osmotic pressure can be calculated by " = ?@ab%. Since protein (beta-lactamase) and na+ and cl- are all non-permeable, so we have a = 1 for both side. "cdee = g1c1rt g2c2rt = 2*0. 5 mm*rt 1*1 mm*rt = 0. So there will be not osmotic pressure across the wall of each vesicle, therefore there will be no net water flow.
