Which of the following describes the interaction between the amino acid last eluted and the anion exchanger at pH 7? a. dipole-dipole b. hydrophobic c. ionic d. H-bonding
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- Which type of interaction commonly persists even after urea is added to proteins for denaturation? a) Disulfide bonds b) Ionic interactions c) Hydrophobic interactions d) Hydrogen bondsWhich of the groups below is capable of only hydrophobic interactions? a b c d eWhich of the following best describes the process of Dissociation? A. the breaking of covalent bonds by water molecules. B. the breaking of polar bonds by water molecules. C. the breaking of ionic bonds by water molecules. D. the forming of polar bonds by lipophilic molecules.
- Choose the correct answer. Determine the interactions shown in the figure at point P a)Electrostatic interaction b)Covalent bonding involving R-groups c)Hydrogen bonding of the peptide backbone d)Hydrogen bonding of the R-groups e)Hydrophobic interactionWhich of the following is formed by the linking of two amino acids?a. a peptide bondb. a functional groupc. quaternary structured. an ionic bondSometimes the _______________ groups of proteins release hydrogen ions.
- The ability of non-polar substances like fat molecules to clump together in water thereby allowing minimal contact between the fat molecules and water is attributed to: Group of answer choices a. Hydrogen bonds b. Ionic bonds c. Van der Waal’s interactions d. Hydrophobic interactions e. Cystine bridgesWhich type of bond is formed through interactions of partial charges? A. Ionic B. Covalent C. Hydrogen D. PeptidePeptide bonding between amino acids in a polypeptide is an example of which type of chemical bonding? a) electrostatic b) covalent c) ionic d) hydrogen
- Water molecules have one oxygen atom that is more electronegative than the two hydrogen atoms bound to it. As a result, which type of bonding hold water molecules together a. non-popular covalent bonding b. polar covalent bonding c.ionic bonding d.hydriohocicWhich of the following is a hydroxyl fatty acid?a) Linoleic acidb) Palmitic acidc) Linolenic acidd) Cerebronic acidWhich of the following would be most effective as a buffer? A. pure water B. a mixture of molecules that are bonded to each other with hydrogen bonds C. a mixture of unbonded atoms D. a mixture of molecules with ionic bonds that will break apart into ions E. a mixture of nonpolar molecules