QUESTION 27If you mixed SDS with the protein below and ran it in SDS-PAGE, how many bands would you expect to appear on the gel after coomassie staining?-s-s-O 1O 2O 4O too many to count

SDS-PAGE or Sodium Dodecylsulphate- Poly Acrylamide Gel Electrophoresis is a molecular technique to…

Answered: QUESTION 27 If you mixed SDS with the…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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QUESTION 2 The following carbohydrate tests have been performed on a sample containing an unknown sugar. The results obtained are indicated as a positive (+) or negative (-) reaction for each of the tests performed. Fehling Barfoed Bial lodine Seliwanoff Benedict + Unknown Sugar Based on the carbohydrate test results obtained for unknown sugar, characterize the sugar by completing the table that follows: Characteristic Unknown sugar Answer with: Yes or No Monosaccharide Disaccharide Polysaccharide Reducing Pentose Aldose
Question 1 A 60-year-old woman was recently given a diagnosis of advanced non- small cell lung cancer. She is going to begin treatment with cisplatin 100 mg/m 2 plus vinorelbine 30 mg/m2. Discuss your pharmacological plan
QUESTION 4 In DNA one strand runs "upside-up" while the other one runs in the opposite direction, "upside-down" this characteristic of DNA is called O A. double helix O B. semi-conservative OC. redundancy O D. antiparallel
Question 19 Based on the hydropathic index plot below, where in the 3D structure of the protein would you expect to find amino acid number 185? 40 Hydrophobic 20 -20 -40 Hydrophilic 40 60 80 100 120 140 160 180 200 220 240 Residue number Alpha helix Beta sheet O Double helix O Quaternary contact O Interior of the protein O Surface of the protein Hydropathic index 20
— А. — в. —с. - D.
QUESTION 28 Multiple Choice: What type of interaction leads to the formation of scrapies-associated fibrils (SAFS) that are associated with prion diseases? O Intersubunit beta sheets Intrasubunit beta sheets Domain-swapped alpha helices Metal ions bound between subunits QUESTION 29 True/False: The types noncovalent interactions that give a protein its tertiary structure are the same as those that are involved in giving a protein quaternary structure O True False O O
Question 16 Concerning SDS-PAGE: |A The gel is a copolymer of agarose and bis- agarose. BA magnetic field drives the migration of the proteins within the gel. C Is usually performed in presence of a molecular weight marker composed of a mixture of polynucleotides of known molecular weight. D The gel behaves like a molecular sieve. E In this type of electrophoresis the proteins migrate from the positive (+) to the neg- ative (-) electrode.
QUESTION 5 How long is an a-helix that contains 36 amino acid residues? 6.0 nm 5.4 nm 1.8 nm 4.8 nm QUESTION 6 entropy gain in ES formation. O True O False QUESTION 7 All enzymes are proteins O True O False OUESTION & Click Save and Submit to save and submit. Click Save All Answers to save all answers. 78 F Mos 1O
QUESTION 5 In complementary base pairing which of the following base parings is incorrect? O a. G-C O b. G-T OC. A-T
QUESTION 3 Look at the following piece of DNA cut with enzymes I and II, crating 3 fragments, A, B and C Which of these is the correct configuration for how they would run on a gel? (remember that DNA is negatively charged and runs towards the positive electrode). II DNA: A C 1. O A C 2. O A C 3. O C A 0 1 3.
QUESTION 30 Which of the following is a correct monomer/polymer pairing? O a. monosaccharide + monosaccharide + H2O = disaccharide O b. monosaccharide + monosaccharide= disaccharide + H2O O c. disaccharide monosaccharide + monosaccharide +H2O O d. disaccharide + H2O = monosaccharide + monosaccharide Click Save and Submit to save and submit. Click Save All Ansurers to save a
question 3, & 4

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QUESTION 27 If you mixed SDS with the protein below and ran it in SDS-PAGE, how many bands would you expect to appear on the gel after coomassie staining? -s-s- O 1 O2 O 4 O too many to count