The bonds that are important inthe secondary structure of a protein are a)hydrogen bonds b.peptide bonds c.hydrophobic interaction d.salt bridges e.disulfide bonds
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The bonds that are important inthe secondary structure of a protein are
a)hydrogen bonds
b.peptide bonds
c.hydrophobic interaction
d.salt bridges
e.disulfide bonds
Step by step
Solved in 3 steps
- Which of the following levels of protein structure may be affected by hydrogen bonding? (a) primary and secondary (b) primary and tertiary (c) secondary, tertiary, and quaternary (d) primary, secondary, and tertiary (e) primary, secondary, tertiary, and quaternaryWhat type of interaction would you expect between the following R groups in the tertiary structure of a protein? -CH2COO- and -CH2Ch2CH2Ch2NH3+ a. salt bridgesb. disulfide bondsc. hydrophobic interactionsd. hydrogen bondsWhich of the following is the most fundamental determinant of the conformation of a protein? O a. The location of cysteine amino acids within the protein O b. The pH of the solution O c. Hydrogen bonding within the molecule O d. The primary structure of the protein O e. The quaternary structure
- Indicate the level(s) of protein structure to which each of thefollowing contributes:a. amino acid sequenceb. b-pleated sheetc. hydrogen bondd. disulfide bondHydrogen bonds that form a helices and B-pleated sheets are the primary interaction in which level of protein structure? O secondary O quaternary O primary O tertiaryProtein structure is directly related to function. Which of the following statements is true regarding this concept ? Polypeptide backbone -CH2 – CH, – CH2- CH2- NH3 0-c- CH - CH2 lonic bond Hydrogen ! bond C- NH2 Disulfide linkage CH CH2 HạC CH3 CH3 H3C CH -CH2 Hydrophobic interactions A. The primary structure consists of the DNA sequence. The secondary and tertiary structures are dependent on interactions between the DNA and RNA polymerase. Mutations resulting in changes one or more bases has the potential to destroy the structure, and therefore the function, of the protein. B. The primary structure consists of the amino acid sequence. The secondary and tertiary structures are dependent on interactions between the amino acid side chains. Mutations resulting in changes one or more amino acids has the potential to destroy the structure, and therefore the function, of the protein. C. The primary structure consists of the DNA sequence. The secondary structure consists of the amino acid…
- which of the following is correct about the structure of proteins? a- the number of peptide bonds is equivalent to the number of amino acid residues b- the secondary structure of proteins are mostly stabilized by hydrophobic interactions c- protiens mostly composed of polar amino acids will have an elongated (fibrous) tertiary structure d- the quaternary structure of a protein is formed between or among similar polypeptides onlyWhich of the following statement(s) about proteins is true? a. proteins are polymers of amino acids chemically joined by dipeptide bondsb. proteins have 4 functional levelsc. proteins can be irreversibly denaturedd. fibrous proteins are functional and globular proteins are structurale. none of the aboveProtein are folding to have a globular shape because they need to maximize O a. the number of disulfide bonds between strands O b. all of the three reasons O C. van der Waals interactions O d. hydrogen bonds interactions
- A major interaction that stabilize tertiary structures of proteins is O a. electrostatic interaction O b. all of the three types O c. hydrophobic interaction O d. disulfide bondWhich of the following does not contribute to the tertiary structure of protein? a. ionic interaction b. H-bond c. peptide bond d. hydrophobic interactionDenaturation is the loss of protein function from structuralchange or chemical reaction. At what level of proteinstructure or through what chemical reaction does each ofthe following denaturation agents act?a. heatb. strong acidc. saturated salt solutiond. organic solvents (e.g., alcohol or chloroform)