What can be the interpretation for the results given below?Test/sResultsNinhydrinXanthroproteicMillon's+BiuretPaulyO The unknown sample contains tyrosine and tryptophan residuesO The unknown sample only contains tyrosine as free amino acidsThe unknown sample contains tyrosine and histidine residuesO The unknown sample contains tyrosine, tryptophan, and histidine residues

Enzymes are biocatalyst that increases the speed of reaction by lowering the activation…

Answered: O The unknown sample contains tyrosine…

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

See similar textbooks

Similar questions

Draw: Amino-terminus on the left, Carboxy-terminus on the right L-Ala (aka S-alanine)D-Ala (aka R-alanine)Ala-Ala dipeptide
Which amino acids would be expected to produce a similar sickling effect if substituted for Val at position 6? alanine leucine lysine arginine phenylalanine
Draw the formula of each of the following: a. Aspartic acid-histidine-tryptophan b. Glycine-cysteine-tyrosine with the charges that exist in cell fluid.
You have digested a small protein with two different proteases, each protease acting on the protein in separate reactions. These are the peptide fragments generated: Trypsin: IPVK: Ile-Pro-Val-Lys ALEL: Ala-Leu-Glu-Leu HRPGDR: His-Arg-Pro-Gly-Asp-Arg FGADAEDGAMNK: Phe-Gly-Ala-Asp-Ala-Glu-Asp-Gly-Ala-Met-Asn-Lys YLEFISECIIQVLQSK: Tyr-Leu-Glu-Phe-Ile-Ser-Glu-Cys-Ile-Ile-Gln-Val-Leu-Gln-Ser-Lys Chymotrypsin: (Reaction conditions were used to maximize cutting to the C-terminal size of F, W, and Y.) LEF: Leu-Glu-Phe IPVKY: Ile-Pro-Val-Lys-Tyr GADAEDGAMNKALEL: Gly-Ala-Asp-Ala-Glu-Asp-Gly-Ala-Met-Asn-Lys-Ala-Leu-Glu-Leu ISECIIQVLQSKHRPGDRF: Ile-Ser-Glu-Cys-Ile-Ile-Gln-Val-Leu-Gln-Ser-Lys-His-Arg-Pro-Gly-Asp-Arg-Phe I am not sure what these questions are asking.
Suggest which part of this sequence belongs to the inner part of the protein and which to the outer shell (use the one-letter code to define amino acid. 1 letter - 1 amino acid): MEEPQSDPSVEPPLSQETFSDLWKLLPENNVLSPLPSQAMDDLMLSPDDIEOQWF TEDPGPDEAPRMPEAAPPGVAPTYSA
None
Which of the peptide sequences below best matches the hydropathy plot shown? L 10 Residue Number 4 2 Hydropathy value -2 0 セー RAFLILFMTYFLILFLI ILYYAGSREDHSGYLIL OLHGDQNRERDGHSQERD EQSDTERNQHGALIYLI 01 5 15
Your friend has discovered a protein that they suspect is glycosylated. They decide to perform a series of tests to determine the nature of the oligosaccharide. Assuming/Knowing the following: Fucose molecular weight is approximately 164 Galactose molecular weight is approximately 180 GalNAc molecular weight is approximately 221 Mannose molecular weight is approximately 180 Sialic Acid molecular weight is approximately 309 Neuraminidase cleaves before a Sialic Acid (Sialic Acid and anything after leaves the protein) Beta-galactosidase cleaves after a Galactose (Galactose and anything before remains on the protein) Peanut Agglutinin binds to GalNAc Concanavalin A binds to Mannose Hemagglutinin binds to Sialic Acid Based on preliminary results, they suspect that the oligosaccharide is 7 glycosides long and weighs a total of 1414 g/mol They carried out the following experiments: they treated the protein with either a glycosidase or a lectin, and then pelleted the protein using…
A peptide containing 18 amino acid residues in its sequence was partially hydrolyzed and peptides A–D were detected in the resulting mixture. Draw the sequence of the original peptide.A Phe-Gly-AlaB Ser-Ser-Ser-Trp-Phe-Gly-AlaC Phe-Phe-Met-Ala-Ala-Pro-Trp-CysD Met-Ala-Ala-Pro-Trp-Cys-Leu-Ile-Leu-Ser-Ser
The folding of intrinsically disordered proteins is prevented by the presence of Ser, Lys, and Glu residues. What do these amino acids have in common? Why do they disrupt IDPs?
+H₂N-CH-COO™ T CH₂ I CH₂ 1 CH₂ I +H₂N-CH₂ A. O amino acid C amino acid D O amino acid E amino acid B +H₂N-CH-COO™ I CH₂ I CH₂ 1 O amino acid A C=0 B. If the pH decreases enough, this amino acid will become protonated and could contribute to the denaturation of the protein. +H₂N-CH-COO™ 1 CH₂ I OH C. +H₂N-CH-COO™ CH H₂C CH3 D.

Recommended textbooks for you

Biochemistry

ISBN:

9781319114671

Author:

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

Publisher:

W. H. Freeman

Lehninger Principles of Biochemistry

Biochemistry

ISBN:

9781464126116

Author:

David L. Nelson, Michael M. Cox

Publisher:

W. H. Freeman

Fundamentals of Biochemistry: Life at the Molecul…

Biochemistry

ISBN:

9781118918401

Author:

Donald Voet, Judith G. Voet, Charlotte W. Pratt

Publisher:

WILEY

Biochemistry

ISBN:

9781319114671

Author:

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

Publisher:

W. H. Freeman

Lehninger Principles of Biochemistry

Biochemistry

ISBN:

9781464126116

Author:

David L. Nelson, Michael M. Cox

Publisher:

W. H. Freeman

Fundamentals of Biochemistry: Life at the Molecul…

Biochemistry

ISBN:

9781118918401

Author:

Donald Voet, Judith G. Voet, Charlotte W. Pratt

Publisher:

WILEY

Biochemistry

ISBN:

9781305961135

Author:

Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal

Publisher:

Cengage Learning

Biochemistry

ISBN:

9781305577206

Author:

Reginald H. Garrett, Charles M. Grisham

Publisher:

Cengage Learning

Fundamentals of General, Organic, and Biological …

Biochemistry

ISBN:

9780134015187

Author:

John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. Peterson

Publisher:

PEARSON

SEE MORE TEXTBOOKS

O The unknown sample contains tyrosine and tryptophan residues O The unknown sample only contains tyrosine as free amino acids O The unknown sample contains tyrosine and histidine residues O The unknown sample contains tyrosine, tryptophan, and histidine residues