BRS PHYSIOLOGY-CHAPTER 1 CELL PHYSIOLOGY QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
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Course
BRS PHYSIOLOGY
Institution
BRS PHYSIOLOGY
BRS PHYSIOLOGY-CHAPTER 1 CELL PHYSIOLOGY QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
What type of backbone do phospholipids have?
glycerol backbone
What is the equation for diffusion?
J= -PA(C1-C2); P=permeability, A=area, J=flux, C=concentration
What are the factors that increase...
Increase in the Oil/water partition coefficient of the solute, decrease in the radius of the
solute, decrease in membrane thickness (decreases the diffusion distance)
Characteristics of carrier mediated transport
Stereospecificity, Saturation, Competition
Characteristics of facilitated diffusion
Down an electrochemical gradient, passive, more rapid than simple diffusion, carrier-
mediated
Characteristics of Primary active transport
Against an electrochemical gradient, requires direct input of metabolic energy, carrier
mediated
Osmolarity
# of particles in soln. times the Concentration
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