In extracellular proteins the amino acid Cyscan interact with another Cys to form a__bond sometimes called ________. Theformation of this covalent bond is areaction.a.O b. disulfide, cystine, oxidizingc. disulfide, cysteine, reducingd.disulfide, cystine, dehydrationO e. peptide, polypeptide, oxidizingpeptide, polypeptide, condensation

Proteins are composed of amino acids, which are bound together by peptide linkage. Amino acids…

Answered: In extracellular proteins the amino…

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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+H₂N-CH-COO™ 1 CH₂ I CH₂ 1 CH₂ I +H₂N-CH₂ A. O amino acid B amino acid D amino acid A amino acid E +H₂N-CH-COO™ 1 CH₂ T O amino acid C CH₂ 1 C=0 B. This amino acid participates in hydrophobic interactions to stabilize protein conformation. +H₂N-CH-COO™ I CH₂ I OH C. +H₂N-CH-COO™ I CH H₂C CH3 D.
Denaturation of protein is a result of O A. cleavage of the peptide bond O B. formation of H-bond O c. breaking of H-bond D. none of these 17
structure, The functional structure ofa protein is its' which is ultimately determined by the. 23. (including bonds ound to gether iy A. tertiary; primary structure. B. primary; ions it possesses. C. tertiary; concentration of phosphates. D. monogamous; first amino acid on the terminal sequence.
Indicate the level(s) of protein structure to which each of thefollowing contributes:a. amino acid sequenceb. b-pleated sheetc. hydrogen bondd. disulfide bond
Which of the following about protein denaturation is not trueA. It is always irreversible B. It is a shape change C. It may be due to pH / temperature change D. Most of the proteins denature when transferred from aqueous environment to organs solvents E. Its function is lost.
A structural difference between uracil and cystosine is: A. At C-4 cytosine has an amino group, while uracil as an oxo group B. At C-6 cytosine has an amino group, while uracil as an oxo group C. At C-4 cytosine has an amino group, while uracil as an oxo group D. Both have an oxo group at C-2 E. At C-2 cytosine has an amino group, while uracil as an oxo group
positive (basic), or polar negative (acidic) folded protein in the aqueous cellular environment, is which is responsible for major structural features of the major property of the amino acid side chains, their a.tertiary amine length b.presence of carbons c.heptacyclic fold strength d.formation of glycosides e.bydrophobic vs hydrophilic character AQuestion 27 noa g to c amino acids can be polar neutral, polar positive (basic), or polar negative (aciale) a.sterol ah orgo s a b.glycolic c.non-polar Hydrophilic e.hydrophobic
Which of these amino acids is a hydrophobic amino acid? (Select all that apply, if necessary.) A. B. C. D. E. iº H₂N-CH-C CH₂ T CH₂ CH₂ NH C=NH2 NH₂ amino acid E amino acid D amino acid B amino acid C amino acid A 200 H₂N-CH-C CH₂ C=O I OO H₂N-CH-C- CH₂ CH₂ T C=O T NH₂ 0 H₂N-CH- CH₂ CH-CH3 CH3 H₂N-CH-C CH₂ I OH -0
A. What type of bond is ( the two mark wtih questions mark) B. What special amino acid side chain is involved in forming these bond C. Does this bond form unde reduction or oxidizing D. Is this bond seen more in cytoplsmic proteins or in extravellular protein
The ff. are neutral amino acids, except: ●A. methionine O B. lysine ● c. threonine O D. non of these 49
You are treating your bacteria with an antibiotic that binds to the D-ala-D-ala stucture of the peptide side chain (literally sits right on top of that D What happens due to the antibiotic binding? O A. Racemase cannot cross link peptide side chains • B. Peptide side chain are not added to NAM • C. Glycosidic bonds between NAM and NAG do not form D. Bactoprenol cannot move the dissacharide submit to the extrenal side of the membarne • E. Transpeptidase cannot cross-link peptide side chains
The function of a protein depends on ... . and the 3D shape of a protein is controlled by Select one: ut of O a. Its ability to recognize certain substances, Primary structure O b. Its ability to resist temperature, Secondary structure uestion c. Its ability to resist pH, Quaternary structure O d. Its ability to recognize specific substances, Tertiary structure O e. Its ability to bind to many molecules, Secondary structure

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