What is the function of a catalyst in a chemical reaction?
A. It ensures that the reaction can proceed only in one direction, from reactants to products.
B. It lowers the activation energy of the reaction.
C. It is split into individual molecules that are products of the reaction.
D. It generates heat that makes the reaction proceed.
E. It changes the energy content of the reactants.
Answer: B
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1.Increasing the molecular weight of the substance 2.Decreasing the thickness of the membrane 3.Increasing the surface area of the membrane 4.Increasing the lipid solubility of the substance 5.Increasing the concentration difference of the substance across the membrane
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Answer the following statement true (T) or false (F)