When amphipathic biomolecules form micelles in polar solvents, this is an example of increasing entropy in the solvent True False
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- At pH 7, tryptophan crosses a lipid bilayer at about onethousandththe rate of indole, a closely related compound: Suggest an explanation for this observation.Numerous research has been conducted to determine how the sequence and structural characteristics of thermophile proteins contribute to their increased stability. Numerous research groups have conducted statistical comparisons between heat-labile and thermostable proteins.(b) What should a protein scientist do if they realized that an enzyme is sensitive to heat?The interactions between biomolecules are often stabilized by weak interactions such as hydrogen bonds. How might this be an advantage to the organism?
- Why do we prefer to buy products in solid form rather than in a liquid? (i.e., butter or margarine) Our topic is currently about biomolecules, if that helps.Compare and contrast the entropy changes of the dissolution of the following two aminoacids isoleucine and glutamate (in water)Sucrose and hoony present in solution suppose how we will diffrentiat between chemicallu which is prrsent
- An import relationship that allows us to determine the pKa of a weak acid using a pH titration curve is: pH = pKa (at the half-equivalence point) Explain which chemical species are present at this point in a WA/SB titration that makes this relationship true.We usually say that a perfect buffer has its pH equal to its pKa. Give an example of a situation in which it would be advantageous to have a buffer with a pH 0.5 unit higher than its pKa.Based on the intermediates outlined below, suggest why in different solvents and at different pH they are either soluble or insoluble.
- Organic molecules that have more than one ionization state are called _____._____________ water molecules are noncovalently associated on the surfaces of macromolecules and membranes.A protein has a dissociation equilibrium constant equal to 4.0um. What is the concentration of free ligand when the fraction of bound sites is 0.7