Which of the following is incorrect about the collagen structure?a. The covalent cross-links between the individual chains stabilize the collagen structureb. None; all the other choices are correctThe helical structure is cross-linked (with covalent bonds) at both endsOd. Gly residues are all located in the center of the helix (i.e. between the individual chains)C.

Collagen is a protein made up of three alpha helices, containing repeating units of Gly-X-Y (X or Y…

Answered: Which of the following is incorrect…

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

Link the protein to the description. I I Mediates ATP addition to actin monomers ✓ Inhibits actin fibre formation Binds to actin monomer to induce nucleation ✓ Binds specifically to ADP bound actin A. Arp2/3 B. Profilin C. Thymosin D. Cofillin
Which of the following sentences regards ECM in cartilages is NOT correct? ECM does not contain * A. hyaluronan (is a linear, non-sulfated polysaccharide that provides compression strength, lubrication and hydration) B. chondroitin sulfate is a glycosaminoglycan that is bound to the core protein, forming proteoglycan C. link and core proteins, and multi-adhesive glycoprotein chondronectin D. The high content of bound water allows cartilage to serve as a shock absorber, an important functional role E. dense meshwork of thin type IV collagen fibrils None choices C, D, E
Prosthetic group is: Select one: a. The side chain of amino acid b. Cofactor attached to the enzyme only when the enzyme is active c. Enzyme inhibitor d. Cofactor attached to the enzyme covalently e. No answer is correct
What is/are the major difference between amylose and cellulose? Amylose contains a-1,4 linkages while cellulose contains B-1,4 linkages B. Amylose is helical while cellulose is linear C. Amylose is globular while cellulose is fibrous. D. Both A and B. E. All of these.
Branched-chain amino acids are important in metabolic processes for all of the following reasons except a. They serve as nonessential amino acids precursors. b. Their major role is in liver amino acid metabolism. c. They are a major transport form of amino nitrogen in blood. d. They are a critical source of hydrophobic side chains in DNA-binding proteins.
What structural feature makes possible the role of cellulose in biological systems? A. Cellulose polymers are linear molecules that form strong crystalline fibers. B. Cellulose fibers contain amorphous regions that can accommodate a large amount of water C. Cellulose have B-1,4 linkages which cannot be hydrolyzed by animal enzymes. D. Both A and B E. All of these.
Which of the following statements is true about Chitin ? a. short, branching chains of nitrogen-containing sugar monomers are linked by hydrogen bonds b. found in the nucleus of fungi and inner skeletons of insects, spiders, and shrimp c. weak, translucent, and stiff structural material d. polysaccharide similar to cellulose
A. A macromolecule composed of one or more polypeptides B. The monomer of polypeptides. C. The specific sequence of amino acids in a polypeptide. D. Structure of coils and/or folds of a polypeptide strueture. E. Structure of polypeptide resulting from interactions between R-groups. Contributes to unique 3D shape of molecule. F. Two or more polypeptides interacting to form a single functional unit. 1. Protein 2. amino acid 3. primary structure 4. secondary structure 5. tertiary structure 6. quaternary structure
Which of the following glycoproteins compose the ECM? Select one: a. fibronectin b. All of the answers are correct. c. elastin d. collagen
Which of the following is incorrect about the peptide Arg-Asp-Cys-Tyr-Gln-Arg-Glu? It has six peptide bonds b. It has a net charge of zero at pH 7 It has six charged groups at pH 7 d. None; all the other choices are correct a. C.
20. The transferrin receptor is an integral membrane protein that crosses the plasma membrane, with portions of the protein extending both outside and into the interior of the cell. The amino acid side chains (R groups) in the region of the protein that crosses the membrane are most likely. a. charged b. hydrophilic c. hydrophobic d. carbohydrates e. lipids.
An allosteric interaction between a ligand and a protein is one in which: a. binding of a molecule to a binding site affects binding of additional molecules to the same site. b. binding of a molecule to a binding site affects binding properties of another site on the protein. c. binding of the ligand to the protein is covalent. d. multiple molecules of the same ligand can bind to the same binding site. e. two different ligands can bind to the same binding site.

SEE MORE QUESTIONS

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