Which of the Following Is a Secondary Protein Structure

Biochemistry Multiple Choice Questions on Protein Secondary Structure. Which of the following levels of protein structure can involve covalent bond formation.

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The steric influence of amino acid residues is important to secondary structure.

. C The steric influence of amino acid residues is important to secondary structure. E Primary and teritary. In the β-pleated sheet secondary structure of a protein two or more amino acid sequences in.

Overview of protein structure. Secondary Structure of Protein. The two most common secondary structures are the α helix and the β-pleated sheet.

B disrupts the secondary tertiary or quaternary structure of a protein. Orders of protein structure. The prediction was confirmed when the first three-dimensional structure of a protein myoglobin by Max Perutz and John Kendrew was determined by X-ray crystallography.

Which of the following does not affect the stability of an α-helix. The alpha helix beta pleated sheet and beta turns are examples of protein secondary structure. For this group of proteins prediction of the transmembrane secondary structural elements and their organization is particularly important.

Sulfide bond all of the above alpha carbon peptide bond beta pleated sheet. A The alpha helix beta pleated sheet and beta turns are examples of secondary structure of protein. There are different types of helical structure were observed in the proteins but the most common is the α-helix.

Alpha keratin and collagen are the two fibrous protein. Linus Pauling was the first to predict the existence of α-helices. Pauling and his associates recognized that folding of peptide.

D hydrolyzes peptide bonds. The most common shape found at the secondary level of protein structure is the alpha-helix. E can only occur in a protein with quaternary structure.

Which of the following is a secondary protein structure. Introduction to amino acids. B The ability of peptide bonds to form intramolecular hydrogen bonds is important to secondary structure.

The non polar or hydrophobic folding alpha helices and beta pleated sheets stabilize the secondary structures of a protein. 44 Denaturation of a protein A changes the primary structure of a protein. Rather than forming a straight line the secondary structure consists of planar sheets called beta-sheets or spirals called alpha-helixes.

C The alpha helix beta pleated sheet and beta turns are examples of protein secondary structure. The secondary structure of protein is stabilized by- Get the answer to this question and access more number of related questions that are tailored for students. This creates a secondary structure within the protein.

This increases the integrity and stability of the protein. The hydrophilichydrophobic character of amino acid residues is important to secondary structure. C SCOP database is a hierarchical classification of protein 2D domain structures.

In this structure two different regions of a polypeptide chain lie side by side and are bound by hydrogen bonds. D The steric influence of amino acid residues is important to secondary structure. Fibrous protein provides structural support to the cell.

Outside the membrane the transmembrane proteins adopt a non-helical structure and many times the alpha-helix is broken by a proline residue. 250 TOP MCQs on Protein Secondary Structure and Answers. Secondary Structure of Protein.

The occurrence of Proline and Glycine residues affect the. The term secondary structure refers to the interaction of the hydrogen bond donor and acceptor residues of the repeating peptide unit. MCQ on Biological Databases.

Secondary structure of protein refers to local folded structures that form within a polypeptide due to interactions between atoms of the backbone. Fortunately the prediction process is somewhat easier because of the hydrophobic environment of the lipid bilayers which restricts the transmembrane segments to be hydrophobic as well. Collagen has a singular secondary structure helicoidal but more stretched or elongated than alpha helix and turning left instead of right-handedSo the.

Anatomy and Physiology questions and answers. 1 Which of the following is considered as secondary structure of protein. The two most important secondary structure of proteins the alpha helix and the beta sheet were predicted by the American chemist Linus Pauling in the early 1950s.

Information of all known nucleotide and protein sequences are available on. Click to view Correct Answer. Primary secondary tertiary and quaternary.

GenBank and SWISSPORT are example of. C is always irreversible. Introduction to proteins and amino acids.

The helical structure forms due to the presence of the turns in the polypeptide chain and different helical structure are identified on the basis of the number of. The most common type of secondary structure in proteins is the α-helix. When atoms in the backbone of a protein or peptide form hydrogen bonds within a single polypeptide or between polypeptide chains a secondary structure results.

The α helix of the secondary structure of a protein is held together by __________ between two widely separated parts of a protein chain. Google Classroom Facebook Twitter. The proteins do not exist in just simple chains of polypeptides.

The helical structure in the protein is one of the common secondary structure exist. The other common secondary structure is the beta-pleated sheet. Correct option is A option A must be the answer as Random coils are not part of the protein secondary structures and they have normal peptide sequence as in native protein usually formed when denatured.

Alpha helix and beta pleated sheet.

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