convert the method to passive voices and past tenses. Protein Assays and Electrophoretic Methods for Assessing Protein Purity

electrophoresis was widely used by biochemists and could provide a general picture of both the size…

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Biology

Protein Assays and Electrophoretic Methods for Assessing Protein Purity

Essentials of Pharmacology for Health Professions

7th Edition

ISBN:9781305441620

Author:WOODROW

Publisher:WOODROW

Chapter6: Safe Dosage Calculations

Section: Chapter Questions

Problem B.4CRQ

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Which Is â€œBetter: NMR or MS? Compare and contrast mass spectrometry and NMR. in terms of their potential advantages and disadvantages for metabolomic analysis.
REFLECT AND APPLY Gel-filtration chromatography is a useful method for removing salts, such as ammonium sulfate, from protein solutions. Describe how such a separation is accomplished.
REFECT AND APPLY Answer Question 30 using one-letter designations for the amino acids.
REFLECT AND APPLY Urea dissolves very readily in water, but the solution becomes very cold as the urea dissolves. How is this possible? It appears that the solution is absorbing energy.
RECALL The accompanying figure is from an electrophoresis experiment using SDSPAGE. The left lane has the following standards: bovine serum albumin (MW 66,000), ovalbumin (MW 45,000), glyceraldehyde 3-phosphate dehydrogenase (MW 36,000), carbonic anhydrase (MW 24,000), and trypsinogen (MW 20,000). The right lane is an unknown. Calculate the MW of the unknown.
REFLECT AND APPLY DNA synthesis always takes place from the 5' to the 3' end. The template strands have opposite directions. How does nature deal with this situation?
RECALL State why the following terms are important in biochemistry: polymer, protein, nucleic acid, catalysis, genetic code.
REFECT AND APPLY What might you infer (or know) about the stability of amino acids, when compared with that of other building- block units of biopolymers (sugars, nucleotides, fatty acids, etc.)?
REFLECT AND APPLY Convert the following Haworth projections to a Fischer projection. Name the monosaccharides you have drawn.
REFLECT AND APPLY Consider the following in light of the concept of levels of structure (primary, secondary, tertiary, quaternary) as defined for proteins. (a) What level is shown by double-stranded DNA? (b) What level is shown by tRNA? (c) What level is shown by mRNA?
REFLECT AND APPLY An amino acid mixture consisting of phenylalanine, glycine, and glutamic acid is to be separated by HPLC. The stationary phase is aqueous and the mobile phase is a solvent less polar than water. Which of these amino acids will move the fastest? Which one will move the slowest?
BIOCHEMICAL CONNECTIONS A recent commercial for a biomedical company talked about a future in which every individual would have a card that told his or her complete genotype. What would be some advantages and disadvantages of this?