What part of the structure of one a helix interacts with (binds to) the adjacent helix in a coiled coil structure? Side chains (R groups) from one helix interact with side chains on the other helix. The amino and carboxyl ends of one helix interact end-to-end with the ends of the other helix. None is correct. O Alpha carbons from one helix interact with the alpha carbons on the other helix. O Backbone carbonyl oxygens and amide N-H groups on one helix interact with the backbone groups on the other helix.

What part of the structure of one a helix interacts with (binds to) the adjacent helix in a coiled coil structure? Side chains (R groups) from one helix interact with side chains on the other helix. The amino and carboxyl ends of one helix interact end-to-end with the ends of the other helix. None is correct. O Alpha carbons from one helix interact with the alpha carbons on the other helix. O Backbone carbonyl oxygens and amide N-H groups on one helix interact with the backbone groups on the other helix.

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

Section: Chapter Questions

Problem 9TYU: Which of the following levels of protein structure may be affected by hydrogen bonding? (a) primary...

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Which of the following is not a function of proteins? a. transport molecules b. acting as messengers c. supports the structure d. store genetic information What monomers join to form polypeptides? a. fatty acids b. nucleotides c. amino acids d. monosaccharides Which of the following is NOT a basic component of every amino acid? a. R group b. Amino group c. Carboxyl group d. Hydroxyl group What chemical bond links the amino group of one amino acid to the carboxyl group of the other? a. Ionic bond b. Peptide bond c. Covalent bond d. Hydrogen bond
Which statement about quaternary structure is TRUE? Quaternary structure is unaffected by acids or heat. Quaternary structure is determined by the same interaction that holds an α-helix together. Quaternary structure is how prosthetic groups are held in a protein. Quaternary structure is the position of subunits in the overall structure of a protein. All proteins have quaternary structure
Which of the following statements regarding hydrogen bonding in secondary structures is true? Both α-helices and β-sheets only use intrachain hydrogen bonds. Both α-helices and β-sheets only use interchain hydrogen bonds. α-helices only use intrachain hydrogen bonds and β-sheets can use either intrachain or interchain hydrogen bonds. α-helices can use either intrachain or interchain hydrogen bonds and β-sheets only use interchain hydrogen bonds.
Choose the best statement regarding the R groups of amino acids in an alpha helix. Group of answer choices They are located in the interior of the helix. They stick out from the axis of the helix. They participate in H-bonds that stabilizes the helix. They are completely incompatible with helix formation.
Fill in the following with the specific bond(s): Maintain(s)the helical structure of many proteins____________: ;link(s) polypeptide chains and can cause proteins tobend:_______ and________ ; join(s) the twostrands of the double helix of DNA:_________ ; link(s) amino acids to form the primary structure of proteins:_______.
Which of the following require Hydrogen Bonds to maintain it's structure? Mark all that apply. 1)secondary structure of a protein 2)DNA helix 3)structure of an functional enzyme 4)phospholipids 5)primary structure of a protein
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
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 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 only
Which of the following link together amino acid units?A) Glycosidic bondsB) Disulfide bondsC) Peptide bondsD) Hydrogen bondsE) Ester linkages
You put albumin, the protein responsible for lipid transport through the blood, in methane, a hydrophobic solution. Would you expect albumin to still be functional? Yes the protein would still be functional because its primary structure remains intact Yes the protein would still be functional because it is used to carry lipids No the protein would not be functional because the peptide bonds would be dehydrated No the protein would not be functional because covalent bonds weaken and disrupt secondary structure No the protein would not be functional because the tertiary structure would change to maximize hydrophobic interactions
Which of the following is NOT an example of protein secondary structure? a. alpha-helix b. beta sheets c. beta turn d. coiled coil e. loops