Biophysics Equations and Formulas PMU 1stYR/2nd Sem

Description

Biophysics Equations and Formulas PMU 1stYR/2nd Sem
Med Student
Quiz by Med Student , updated more than 1 year ago
Med Student
Created by Med Student over 8 years ago
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7

Resource summary

Question 1

Question
What Equation is this?
Answer
  • Goldmans Equation

Question 2

Question
What Equation is this?
Answer
  • Nernst Equation

Question 3

Question
Em= RT/zF.ln(ckout/ckin) What is: T- [blank_start]Temperature[blank_end] Z- [blank_start]Charge per molecule[blank_end] Ckout- [blank_start]extracellular K+ concentration[blank_end] Ckin- [blank_start]intracellular K+ concentration[blank_end]
Answer
  • Temperature
  • Charge per molecule
  • extracellular K+ concentration
  • intracellular K+ concentration

Question 4

Question
What is this equation? -Each dot is referring to the letter next to it
Answer
  • Conductivity of the membrane
  • Ions Membrane Current

Question 5

Question
G= I/dU What is this: [blank_start]Conductivity of the Membrane[blank_end] where, I= [blank_start]Ion membrane Current[blank_end] dU= Difference between [blank_start]membrane potential[blank_end] and [blank_start]equilibrium potential[blank_end]
Answer
  • Conductivity of the Membrane
  • Ion membrane Current
  • membrane potential
  • equilibrium potential

Question 6

Question
What Equation is This? Label the dots.
Answer
  • Permeability of the Membrane
  • Solubility in Cell Membrane
  • Mobility
  • Thickness of the Cell Membrane

Question 7

Question
F= -D(dc/dx) What is this: [blank_start]Fick's Law[blank_end] F= [blank_start]Flow Rate[blank_end] D= [blank_start]Diffusion Constant[blank_end] dc/dx= [blank_start]Concentration Gradient[blank_end] across the [blank_start]Membrane[blank_end]
Answer
  • Ficks Law
  • Flow Rate
  • Diffusion Constant
  • Concentration Gradient
  • Membrane

Question 8

Question
dm/dt=-P.S (C2-C1) What is this equation for: [blank_start]Transdiffusion[blank_end] where, P= [blank_start]the coefficient of permeability[blank_end]
Answer
  • Transdiffusion
  • the coefficient of permeability

Question 9

Question
π= Cμ.RT What is this equation for: [blank_start]Osmotic Pressure[blank_end] Where, π= [blank_start]Osmotic pressure[blank_end] C= the [blank_start]concentration of the solution[blank_end] R= [blank_start]universal gas constant[blank_end] T= [blank_start]absolute temperature[blank_end]
Answer
  • Osmotic Pressure
  • Osmotic pressure
  • concentration of the solution
  • universal gas constant
  • temperature

Question 10

Question
μi = μi^o (P,T) + RTlnCi What is this equation for: [blank_start]Chemical Potential[blank_end] μi^o (P,T) ­depends on [blank_start]pressure[blank_end] and [blank_start]absolute temperature[blank_end] R is the [blank_start]gas constant[blank_end] Ci is the [blank_start]concentration of substance[blank_end]
Answer
  • Chemical Potential
  • pressure
  • absolute temperature
  • gas constant
  • concentration of substance

Question 11

Question
μi(in)-μi(out) = RTlnCi(in)/(out) + ziF(Vout­-Vin) What is this equation for: [blank_start]Electrochemical Potential[blank_end]
Answer
  • Electrochemical Potential

Question 12

Question
Ei = -(RT/zi F) ln ci^(in)/ ci^(out) What is this equation for?: [blank_start]Equilibrium Potential[blank_end]
Answer
  • Equilibrium Potential

Question 13

Question
E= ziFV What is this equation refering to: [blank_start]Electric Potential[blank_end] E - [blank_start]Electric potential[blank_end] zi - [blank_start]charge per molecule[blank_end] F – [blank_start]Faraday constant[blank_end] (96500C/mol) V - [blank_start]Volts[blank_end]
Answer
  • Electric Potential
  • Electric potential
  • charge per molecule
  • Faraday constant
  • Volts

Question 14

Question
X = √4Dt What is this equation for?: [blank_start]Lateral Diffusion Formula[blank_end] where, X= [blank_start]Distance[blank_end] D = [blank_start]coefficient of the diffusion[blank_end] T = [blank_start]time[blank_end]
Answer
  • Distance
  • Lateral Diffusion Formula
  • coefficient of the diffusion
  • time

Question 15

Question
dS/dt = dSi /dt + dSe/dt What is this equation: [blank_start]Equation of Prigojin[blank_end] dS/dt- [blank_start]entropy speed variation[blank_end] in open biological system dSi /dt - the [blank_start]speed of entropy variation inside[blank_end] (i) the system dSe/dt – the [blank_start]speed of entropy variation of processes[blank_end] of [blank_start]exchange of substances[blank_end] and [blank_start]energy with the surrounding[blank_end] if dSi /dt is bigger than 0 then its an [blank_start]irreversible reaction[blank_end]
Answer
  • Equation of Prigojin
  • entropy speed variation
  • speed of entropy variation inside
  • speed of entropy variation of processes
  • exchange of substances
  • energy with the surrounding
  • irreversible reaction

Question 16

Question
ds= dQ/T What is this quation for?: [blank_start]Entropy[blank_end] Where dQ is the [blank_start]amount of heat absorbed[blank_end] in an [blank_start]isothermal[blank_end] and [blank_start]reversible[blank_end] process. T is the thermodynamic [blank_start]temperature[blank_end] process
Answer
  • Entropy
  • amount of heat absorbed
  • isothermal
  • reversible
  • temperature

Question 17

Question
U = Q + W U= [blank_start]internal energy[blank_end] Q= [blank_start]heat transfer[blank_end] into the system W= [blank_start]Work[blank_end]
Answer
  • internal energy
  • Work
  • heat transfer
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