The _______ of amino acids in a protein is referred to as its primary structure
24. The _______ of amino acids in a protein is referred to as its primary structure.
A) twisting B) sequencing C) folding D) none of these
25. The structure of a protein is most important because the _______ of the amino acids determines its overall shape, function and properties.
A) primary, twisting B) primary, sequencing C) secondary, twisting D) secondary, folding E) none of these
26. The secondary structure of a protein is due to_______ between amino acid residues.
A) hydrophobic interactions B) hydrogen bonding C) salt bridges D) disulfide linkage E) none of these
27. The hydrogen bonding between the carbonyl group of an amino acid with the amino group of the fourth amino acid farther along the chain leads to _______
A) parallel β-pleated sheets B) antiparallel β-pleated sheets C) α-helix D) B-helix E) none of these
Homework Answers
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The _______ of amino acids in a protein is referred to as its primary structure
added part a of the question for clarity 1. Polypeptides are the natural polymer of the...
added part a of the question for clarity
1. Polypeptides are the natural polymer of the naturally occurring amino acids. Their structure can be considered at various levels to consist of Primary: amino acid sequence secondary: regions of ordered structure (a-helix, B-sheet, etc.) tertiary: overall 3D shape; folding quarterniary: interaction of protein sub-units (a) Consider the following segment of a polyamide H Show the resonance structures for the amide bond (in the box) (i) (ii) Indicate what o and w...
which of the following is not a way in which amino acid structure in sequence might...
which of the following is not a way in which amino acid structure in sequence might affect the properties of a protein a) Amino acid side chains form peptide bonds with each other causing the molecule to twist into a secondary structure b) Amino side chains interact with each other causing polypeptides to bend into a tertiary structure c) Hydrogen bonding between every fourth amino acid results in the formation of a coil called an a helix d) Hydrogen bonding...
Since the secondary structure of a protein results from hydrogen bonding between components shared by all amino acids
Distinguish between the different levels of protein structure, including primary, secondary, tertiary, and quaternary Question Is the following statement true? If not, explain why not: Since the secondary structure of a protein results from hydrogen bonding between components shared by all amino acids (a hydrogen on an amide N on one amino acid interacts with an oxygen on the carbonyl of another amino acid), the secondary structure does not depend on the specific amino acid groups (the R-groups) in the amino acid chain. Select...
9. Alpha-helices and B-pleated sheets are both examples of a. primary structure. b. secondary structure. c....
9. Alpha-helices and B-pleated sheets are both examples of a. primary structure. b. secondary structure. c. tertiary structure. d. quaternary structure. 14. The most common moti uispersion forces nost common motifs for this level of structure are the helix and the B- pleated sheet a. primary structure b. secondary structure c. tertiary structure d. quaternary structure e. both secondary and tertiary of a protein. 15. The amino acid sequence is the a. primary structure b. secondary structure c. tertiary structure...
Which of the following is true of secondary structure in protein folding? Pick ALL that apply....
Which of the following is true of secondary structure in protein folding? Pick ALL that apply. A. It involves hydrogen bonding. B. It involves the side chains. C. It involves hydrophobic interactions. D. It results in alpha helicies with the side chains hidden inside the helix. E. It results in beta-pleated sheets with side chains sticking out of the plain of the sheet. F. It involves the peptide backbone.
help with 10 and 11 10. In protein structure, adjacent amino acids are connected to each...
help with 10 and 11
10. In protein structure, adjacent amino acids are connected to each other through amide bonds. i) Draw any three amino acids connected via amide bond. (7 pts) ii) Highlight the amide bonds in 10. i) (3 pts) 11. Briefly explain the differences between alpha-helix and beta-pleated sheets in Secondary structure of proteins. (10 pts)
26. Which of the following classification does not match the amino acid side chain A) Contains an basic group/ lysi...
26. Which of the following classification does not match the amino acid side chain A) Contains an basic group/ lysine B) It is polar C) Forms disulfide bond/ cysteine D) Forms hydrogen bonds with neighbors/ alanine serine 27. All amino acids found in proteins are L-amino acids EXCEPT the achiral. A) glutamate B) Lysine C) glyeine D) Alamine 28. The plH at which the positive and negative charges of an amino acid balance each ofher is called the A) isotonic...
Question 1 The protein in the diagram is (circle all that apply): Group of answer choices...
Question 1
The protein in the diagram is (circle all that apply):
Group of answer choices
a) a peripheral membrane protein
b) an integral membrane protein
c) a lipid anchored protein
Question 2
The protein shown in the diagram could potentially function as
(circle all that apply):
Group of answer choices
a) a receptor
b) a transmembrane anchor
c) a pore or channel
Question 3
The protein shown in the diagram has which of the following
(choose all that apply)?...
2) At a pH greater than that of its isoelectric point, the structure of glycine is...
2) At a pH greater than that of its isoelectric point, the structure of glycine is a) H-CH-COOH b) H-CH-C00- c) H-CH-CO e) H-CH-COO COOH b) H-CH-C00- c) H-CH-COOH d) H-CH-COO NH2 NH2 NH2 NH3 NH 3) Which of the following structures can be destroyed by the dena structures can be destroyed by the denaturation of a protein? a) Only primary and tertiary structures of a protein. b) Only secondary, tertiary y secondary, tertiary, and quaternary structures of a protein....
The type of bonding that maintains the secondary structure in a protein is the
The type of bonding that maintains the secondary structure in a protein is theA) Hydrogen bonds between the carbonyl and amino groups of the backboneB) Covalent bond between the carbonyl and amino groups of the amino acidsC) Hydrogen bonds between two amino acidsD) Disulfide bonds that hold two polypeptide chains togetherE) Hydrogen bonds between two amino groups
added part a of the question for clarity
1. Polypeptides are the natural polymer of the naturally occurring amino acids. Their structure can be considered at various levels to consist of Primary: amino acid sequence secondary: regions of ordered structure (a-helix, B-sheet, etc.) tertiary: overall 3D shape; folding quarterniary: interaction of protein sub-units (a) Consider the following segment of a polyamide H Show the resonance structures for the amide bond (in the box) (i) (ii) Indicate what o and w...
9. Alpha-helices and B-pleated sheets are both examples of a. primary structure. b. secondary structure. c. tertiary structure. d. quaternary structure. 14. The most common moti uispersion forces nost common motifs for this level of structure are the helix and the B- pleated sheet a. primary structure b. secondary structure c. tertiary structure d. quaternary structure e. both secondary and tertiary of a protein. 15. The amino acid sequence is the a. primary structure b. secondary structure c. tertiary structure...
help with 10 and 11
10. In protein structure, adjacent amino acids are connected to each other through amide bonds. i) Draw any three amino acids connected via amide bond. (7 pts) ii) Highlight the amide bonds in 10. i) (3 pts) 11. Briefly explain the differences between alpha-helix and beta-pleated sheets in Secondary structure of proteins. (10 pts)
26. Which of the following classification does not match the amino acid side chain A) Contains an basic group/ lysine B) It is polar C) Forms disulfide bond/ cysteine D) Forms hydrogen bonds with neighbors/ alanine serine 27. All amino acids found in proteins are L-amino acids EXCEPT the achiral. A) glutamate B) Lysine C) glyeine D) Alamine 28. The plH at which the positive and negative charges of an amino acid balance each ofher is called the A) isotonic...
Question 1
The protein in the diagram is (circle all that apply):
Group of answer choices
a) a peripheral membrane protein
b) an integral membrane protein
c) a lipid anchored protein
Question 2
The protein shown in the diagram could potentially function as
(circle all that apply):
Group of answer choices
a) a receptor
b) a transmembrane anchor
c) a pore or channel
Question 3
The protein shown in the diagram has which of the following
(choose all that apply)?...
2) At a pH greater than that of its isoelectric point, the structure of glycine is a) H-CH-COOH b) H-CH-C00- c) H-CH-CO e) H-CH-COO COOH b) H-CH-C00- c) H-CH-COOH d) H-CH-COO NH2 NH2 NH2 NH3 NH 3) Which of the following structures can be destroyed by the dena structures can be destroyed by the denaturation of a protein? a) Only primary and tertiary structures of a protein. b) Only secondary, tertiary y secondary, tertiary, and quaternary structures of a protein....
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