Metal ions cause soap be less effective because they do not allow ____ to form w

Question

Metal ions cause soap be less effective because they do not allow ____ to form which allow dirt to be washed away. lipid bilayers micelles insoluble salts fatty acid salts a paper chromatography experiment is performed. The solvent font directly above the spot, travelled 13.57 mm. The spot travelled 4.11 mm. What is the R_f value for the amino acid in the sport? 3.30 0.30 0.43 9.46 If the solvent in a paper chromatography experiment is very polar and a spot travelled nearly as far as the solvent directly above it, which of the following is true? The chromatography paper is charged the amino acid in the spot is nonpolar the chromatography paper is nonpalar the amino acid in the spot is very large If amino acid solutions were "spotted" on the paper of a paper chromatography experiment below the initial level of solvent, the spots would ____. Dissolve into the solvent travel as normal up the paper but more quickly travel down the paper instead of up travel as normal up the paper but moreslowly The tripeptide shown to the right is Bovine Pineal Antireproductive Tripeptide, a molecule that binds to and inhibits the production of specific hormones in cows, what is the sequence of amino acids in this tiny protein? Thr-Ser-Lys Gly-Thr-Lys Ser-Ala-Arg Lys-Ser-Met

Explanation / Answer

38. B

39. Rf= Distance traveleld by the compound/ Distance ravelled by the solvent = 4.11/ 13.57 = 0.30287 (Option B)

40. Option B

41. Option C

42. Option A

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