What type of interaction holds a-helices and B-pleated sheets together? A) dispersion forces B) hydrogen bonds C) ion-dipole interactions D) disulfide bonds

Q: Is this molecule E or Z. Ne Attachments HOCH₂ CH₂CH₂Cl C=C CH3CH₂ CH₂CI

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Which type of cross-link involves interactions between two nonpolar R groups?

A: There are various types of interactions like hydrogen bonding, dipole-dipole interactions, London…

Q: 3) Is the following molecule a D or Lamino acid? 4) Draw the structure of Ala-Val-lle.

A:

Q: 3. Below are three polymers to be examined for use as vaseular graft materials: F…

A: Answer - According to the question - As a general rule, if a polymer is regular and orderly, then it…

Q: What is bonechar or bone black

A: Bonechar  or bone black is a type of charcoal. It is black in color and also porous in nature.

Q: in

A: This question is related to peptides.

Q: (a) Discuss polydispersity and what do you meant by PDI?

A: Polymer can be defined as a large macromolecule made up ol large number of monomers.

Q: Which of the following statements is FALSE? A semi-crystalline polymer is the only material that…

A: Given statements are :  a). A semi-crystalline polymer is the only material that shows a glass…

Q: d) Bra, FeBra

A: d)

Q: With which bond dye binds to fibres?

A: Dye is a natural substance that is used to color a substance. The method that is used to dyeing…

Q: strongest type of interaction between two polar amino acid side chains is London dispersion forces ?…

A: Answer is False. London dispersion forces of attraction is the weakest force among two polar…

Q: Discuss polydispersity and what do you meant by PDI?

A:

Q: Proteins have complex three-dimensional structures. These polymers are held into these specific…

A:

Q: Salts fillers to polystyrene True O False O Water pollution causes .economic loss True O False

A: Fillers used in polymers which are added to polymers to reduce its cost.

Q: If you heat a protein to break the intramolecular hydrogen bonds, will you maintainthe α- helical or…

A: Proteins are the polymers of amino acids. They first form linear chain of amino acids called primary…

Q: Is albumin a tripeptide or longer?

A:

Q: Amino succinic acid is also called :Select one a. Aspartic acid b. Alanine c. Lysine d. Glutamic…

A: All four options are actually amino acids . If we look out the structural framework of all four…

Q: Name the following attachment :

A: IUPAC naming is followed for writing the name of the compound.

Q: mroduction to Polymer Science dild lechinology 23. What processing method(s) would you use to make…

A: We will use thermoplastic moulding for making disposal plastic plates.

Q: how many kilograms of S are needed to cross-link 20% of the cross-link positions in 300 kg of…

A: Polymers are the repeating chains of monomer molecules. Polymers have unique properties like…

Q: Draw out the basic repeating unit of sodium alginate polymer.

A: Sodium alginate polymer: The molecular formula of the sodium alginate is C6H7NaO6n. It is a natural…

Q: Drawe the skeletal structue for CH3CH2C(CH3)2CH2C(CH3)3

A: Given :- CH3CH2C(CH3)2CH2C(CH3)3  To draw :-  skeletal structure of above given condensed formula

Q: Give the shorthand structures of poly(vinyl chloride) and nylon 6,6 in Section 30.1.

A:

Q: identify the name tor each category of organization found in carbohydrates and include an example…

A: Carbohydrates are most common elements In the earth. Monomers of carbohydrates are simple sugar and…

Q: 2. Which one of thefollowing is not a natural polymer? b. silk a. wood C. wol d. nylon

A: Polymer is basically the natural or synthetic substance composed of large number of repeating unit…

Q: 20. AIH3 C2H4 22. Cu

A: Here the last 3 subpart is:

Q: How many of the following contain "hydrogen-bonds' Kevlar, Polyethylene, Chitin, Nylon. Silk,…

A: Since you have asked multiple questions, we will answer only first question for you. In order to get…

Q: Select the six atoms, including the labelled (*) one, in the tetrapeptide below that lie in the same…

A: The peptide bond is planar. This means that alpha atom present next to carbonyl (CO) group and amine…

Q: β-sheets form due to hydrogen bonding between ________, and parallel β-sheets are held together with…

A: Beta sheets are the secondary structure of protein.

Q: Use the following figure to answer the question: B It's true about figure A: Choose the ones that…

A: A multiple choice question based on chemical bonding, which is to be accomplished.

Q: The structure  has what type of glycosidic linkage?        a. b (1®4)   b. b (1®6)   c. a (1®4)…

A: The glycosidic linkage present in given picture is

Q: A triglyceride is saturated. What is the phase at room temperature? [ Select ] What is the most…

A: Saturated means there are not present double bonds and triple bonds.

Q: Which of the following is NOT a natural fiber?

A: The type of fibers which are obtained from nature that is from plants and animals are known as…

Q: 32. Which of the following terms best describes nylon? A) natural fibre B) synthetic protein C)…

A: We’ll answer the first question. Please submit a new question specifying other questions you’d like…

Q: Draw a short segment of nylon 4.

A: The monomer used for the formation of nylon 4 is as shown below.

Q: Name the following attachement:

A: The given compound is,

Q: Above the gelatinization temperature, a. collagen protein turns to gelatin b. trans fatty acid…

A: option d i.e. starch granules lose their crystallinity is the correct answer. Above the…

Q: A1c Select ONE peptide linkage and draw a circle around all of the atoms that would lie in a single…

A:

Q: A portion of sphingomyelin is shown below. Select the most accurate description of R1, R2, and R3…

A: Sphingomyelin is type of of sphingolipid.  Sphingomyelin is consist of sphingosine, an amino alcohol…

Q: Draw a possible electrostatic interaction between twoamino acids in a polypeptide chain.

A: Several amino acids are linked to each other through the peptide bonds to form a chain of amino…

Q: can you explain to me in details the manufacturing process of polystyrene ?

A: The manufacturing process of ploystyrene is described below.

Q: It is identical repeat units along the chain. a. Random b. Alternating c. Block d. Graft

A: Block is identical repeat units along the chain. Hence option c is to be correct.

Q: Q1/ A sample of polystyrene is composed of a series of fractions of different-sized Molecules…

A:

Q: 'Waterproof" nylon garments have a coating to prevent water from penetrating the hydrophilic fibers.…

A:

Q: Polyvinyl chloride (PVC) is the third most widely produced plastic in the world. Draw a three…

A: Polyvinyl chloride (PVC) is the third most widely produced plastic in the world. The monomer unit of…

Q: The name of PCl3 i

A: The name of PCl3 is to be given.