Choose the MOST appropriate answer.1. The bond formed between water molecule and the side chain (R group) of serine isA. peptide bondB. charge-charge interactionC. hydrophobic interactionD. hydrogen bondE. peptide bondWhich pairs of amino acids has the strongest interaction between their R groups at pH7?A. aspartate and lysineB. phenylalanine and alanineC. glutamine and arginineD. valine and isoleucine2.E. tyrosine and phenylalanine3. At pH7, which of the following amino acids has zero net charge?A. ArginineB. Aspartic acidC. Glutamic acidD. HistidineE. Lysine4. On a single-stranded DNA, the basic units are linked to one another by_A. Disulfide linkagesB. Phosphoanhydride bondsC. Phosphodiester bondsD. Hydrogen bondsE. Hydrophobic interactions

A peptide linkage is the backbone of a polypeptide chain. Hydrophobic interaction is formed between…

Answered: 1. The bond formed between water…

Nutrition Now

8th Edition

ISBN:9781337415408

Author:Brown

Publisher:Brown

Chapter15: Proteins And Amino Acids

Section: Chapter Questions

Problem 12RQ

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Similar questions

Match the amino acid description with their 3-letter abbreviation has the guanidino group on its side chain Has the phenolic group side chain is a methyl group Capable of forming a covalent bond Acidic amino acid A. Arg B. Tyr C. Ala D. Cys E. Asp F. Phe
Write the chemical structure of peptide containing the following amino acid PRO-SER-GLY-LEU I NEED IT ASAP PLEASE
An amino acid backbone is given. Add the side chain to show proline at physiological pH. (Note: Do not modify the provided backbone. If you accidentally erase it, use the undo button.) Given the backbone NH3+-C-COO-
An example of a monosaccharide is fructose glucose galactose all of the above
Label: 1) the type of chemical bonds between the amino acids (e.g. covalent bond, ionic bond, metallic bond) 2) the type of interparticle forces of attraction occurring within the protein and with its environment *Indicate at least four observed interparticle forces of attraction *pink - negatively charged, blue - positively charged, yellow - nonpolar and uncharged, green - polar and uncharged *[See example picture] The chemical bond (shown by the arrow) is depicted as a line between the amino acids. Interparticle forces of attraction, such as the one between Phe and Glu (boxed), are not represented by lines but rather by the proximity of amino acids.
An octapeptide composed of four repeating glycylalanyl units has ___. A. one free amino group on the glycyl residue and one free carboxyl group on a alanyl residue B. two free carboxyl groups, both on the glycyl residues C. two free amino groups, both on alanyl residue she D. one free amino group on the alanyl residue and one free carboxyl group on a glycyl residue
You have a solution with the mixture of the following peptides: 1) Wing-Cys-Gly 2)phe-tyr-trp-phe 3)glu-asp-glu-ileHow are each of them charged at the following pH?a) 3 b) 5 c) 7 d) 9
I. Apply your knowledge on the basic structure of amino acids by creating a polypeptide chain that is 4 amino acids long showing its structural formula, II. Why are R groups important in amino acids?
select the correct option molecular chaperone protein function by a.Mediating disulfide bond formation d.Enhancing salt bridge formationynthesizing new protein when one is folded c.Preventing premature folding by binding hydrophobic regions of protein d.Synthesizing new protein when one is folded e. none of the option
Please identify whether the statements below is true or false. Thank you! (Please put a short explanation) 1. The primary structure of a protein consists of the amino acid sequence along the polypeptide chain.2. A protein may contain 20 different kinds of amino acids. Each amino acid has hydroxyl group at one end and an acid group at the other and a distinctive side chain.
Peptide bond formation occurs between which functional groups? SELECT ALL THAT APPLY A. Amino B. Carboxyl C. Alpha-Carbon D. Nitrogen
Which of the numbered bonds in this polypeptide fragment are peptide bond(s)? (Select all that apply!)

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