The disulfide bond between two cysteine residues— is a weak ion-induced dipole attraction. is an ionic bond that is stable at physiological pH. is a covalent bond formed by oxidation. is a hydrogen bond between the two sulfhydryl groups. is a special form of peptide bond.

The disulfide bond between two cysteine residues— is a weak ion-induced dipole attraction. is an ionic bond that is stable at physiological pH. is a covalent bond formed by oxidation. is a hydrogen bond between the two sulfhydryl groups. is a special form of peptide bond.

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter2: Molecules Of Life

Section: Chapter Questions

Problem 3SQ: The mutual attraction of opposite charges holds atoms together as molecules in a(n) _____ bond. a....

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Question

The disulfide bond between two cysteine residues—

		is a weak ion-induced dipole attraction.
		is an ionic bond that is stable at physiological pH.
		is a covalent bond formed by oxidation.
		is a hydrogen bond between the two sulfhydryl groups.
		is a special form of peptide bond.

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The disulfide bond— is a hydrogen bond in which the sulfhydryl group is the hydrogen donor. is an ionic bond involving a divalent ion and a sulfate. is a weak dipole attraction connecting two sulfhydryl groups. is a covalent bond formed by oxidation. is a special form of peptide bond linking two cysteine residuals
Which of the following is formed by the linking of two amino acids?a. a peptide bondb. a functional groupc. quaternary structured. an ionic bond
Which of the following pairs of amino acids can have intermolecular hydrogen bonding between the functional groups in their side chains? Select all that apply. phenylalanine and tyrosine two tyrosine residues serine and threonine alanine and threonine
Blank bonds are responsible for the chemical affinity between A and T or g and c nucleotides? ionic / covalent / hydrogen / electro ionic or none
During the formation of the peptide bond which of the following takes place? A. Hydroxyl group is lost from its Carboxyl group of one amino acid and a hydrogen atom is lost from its amino group of another amino acid B. Hydrogen atom is lost from its Carboxyl group of one amino acid and a hydroxyl group is lost from its amino group of another amino acid C. Hydroxyl group is lost from its Carboxyl group of one amino acid and a hydroxyl group is lost from its amino group of another amino acid D. Hydrogen atom is lost from its Carboxyl group of one amino acid and a hydrogen atom is lost from its amino group of another amino acid
A peptide bond... is a version of an ester bond is a version of an amide bond is the basis of protein secondary structure is formed by addition of water
Which of the following link together amino acid units?A) Glycosidic bondsB) Disulfide bondsC) Peptide bondsD) Hydrogen bondsE) Ester linkages
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During the formation of the peptide bond which of the following takes place? Select one: a. Hydroxyl group is lost from its carboxyl group of one amino acid and a hydrogen atom is lost from its amino group of another amino acid b. Hydrogen atom is lost from its carboxyl group of one amino acid and a hydroxyl group is lost from its amino group of another amino acid c. Hydroxyl group is lost from its carboxyl group of one amino acid and a hydroxyl group is lost from its amino group of another amino acid d. Hydrogen atom is lost from its carboxyl group of one amino acid and a hydrogen atom is lost from its amino group of another amino acid Clear my choice
Which of the following statements concerning complete protein hydrolysis is incorrect? Primary structures are preserved Tertiary and secondary structures are disrupted All peptide bonds are broken Water is a reactant in the process
Which of the following statements is true of fatty acids? Group of answer choices The more carbon atoms and nitrogen atoms present in a fatty acid, the shorter the fatty acid is. The more hydrogen atoms attached to carbon atoms, the more saturated a fatty acid is. All fatty acids are solid at room temperature. All fatty acids have only double bonds. All fatty acids have the same chain length.
Which of the following statements about proteins is correct? There are 20 types of amino acids commonly found in proteins. Proteins are composed of glyosidic bonds. Proteins are never folded. They do not contain any hydrophilic or hydrophobic residues. Peptide bonds are composed of only carbon and oxygen atoms.