Which of the following structural features are involved in the formation of a peptide bond?amino group of the first amino acid and the alpha-carbon of the second amino acidamino group of the first amino acid and the carboxyl group of the second amino acidamide groups of the first and second amino acidsalpha-carbon of the first amino acid and the carboxyl group of the second amino acid

A polypeptide chain is a polymer of naturally occurring amino acids that are linked together by a…

Answered: Which of the following structural…

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter3: The Chemistry Of Life: Organic Compounds

Section3.4: Proteins

Problem 8LO

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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
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
Which of the following statements is true regarding the classification of amino acids? Group of answer choices The side chain of a polar basic amino acid contains hydroxyl groups The side chain of a polar acid amino acid contains carboxyl groups The side chain of the non-polar amino acid can exhibit H-bonding. The side chain of a polar amino acid contains hydrocarbon groups only
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 group(s) can be found in both an amino acid and a protein? a. Rgroup (side chain) only b. Free amino group and carboxyl group c. Free amino group, free carboxyl group and R groups d. Carbonyl group and free amino group and R groups
What type of intermolecular forces exists between the side chains of each of the following pairs of amino acids? serine and threonine isoleucine and valine arginine and aspartic acid cysteine and cysteine
What naturally occurring chemical bond befalls between successive amino acids in conjunction with the elimination of a water molecule? Disulfide bond Hydrogen bond Peptide bond Ester bond
When cis peptide bonds are found in proteins, which amino acid is most often flanking that peptide bond? a. Glycine b. Proline c. Alanine d. Cysteine
Amino acids have the same basic chemical backbone, with an __________ group on one end and an ___________ group on the other end. The differences among the various amino acids are due to the varying structures of the chemical ___________ that are attached to the backbone
Which of the following is the distinguishing factor of a protein? The backbone of the protein chain Its solubility The side chains of the protein chain The prosthetic group
Which of the following amino acids have R groups that have hydrogen- bonding potential? Ala, Gly, Ser, Phe, Glu, Tyr, Ile, and Thr
Which of the following amino acids contains an R group that can form hydrogen bonds? A.isoleucine B.tyrosine C.glutamine D.asparagine E.alanine

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