Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 13.2, Problem 4COMQ
Summary Introduction
Introduction:
Proteins have four degrees of structural organization, namely primary (linear sequence of the protein), secondary (folding of linear sequence into defines structures), tertiary (folding of protein into domains), and quaternary (assembling different subunits of a single protein). Protein folding is essential for its stability and function inside the cell.
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The protein structural level that could be least affected by hydrogen bond disruption is the
A. secondary level
B. primary level
C. tertiary level
D. all of them
Answer
O A
B
C
D
Submit
Denaturation of a protein
A.
adds hydrogen bonds to the primary level of protein structure.
B.
breaks hydrogen bonds in the primary level of protein structure.
C.
adds hydrogen bonds to the secondary and tertiary levels of protein structure.
D.
breaks hydrogen bonds in the secondary and tertiary levels of protein structure.
In the α helix the hydrogen bonds:
a. are roughly parallel to the axis of the helix.
b. are roughly perpendicular to the axis of the helix.
c. occur mainly between electronegative atoms of the R groups.
d. occur only between some of the amino acids of the helix.
e. occur only near the amino and carboxyl termini of the helix.
Chapter 13 Solutions
Genetics: Analysis and Principles
Ch. 13.1 - Prob. 1COMQCh. 13.1 - 2. The reason why Beadle and Tatum observed four...Ch. 13.2 - What is the genetic code? a. The relationship...Ch. 13.2 - Prob. 2COMQCh. 13.2 - The fourth codon in an mRNA sequence is GGG, which...Ch. 13.2 - Prob. 4COMQCh. 13.3 - Prob. 2COMQCh. 13.4 - Prob. 1COMQCh. 13.4 - 2. The anticodon of a tRNA is located in the
a....Ch. 13.4 - An enzyme known as _______attaches an amino acid...
Ch. 13.5 - Each ribosomal subunit is composed of a. multiple...Ch. 13.5 - Prob. 2COMQCh. 13.6 - 1. During the initiation stage of translation in...Ch. 13.6 - The Kozak rules determine a. the choice of the...Ch. 13.6 - During the peptidyl transfer reaction, the...Ch. 13.6 - A release factor is referred to as a molecular...Ch. 13 - Prob. 1CONQCh. 13 - What does it mean when we say that the genetic...Ch. 13 - According to the adaptor hypothesis, is each of...Ch. 13 - Prob. 4CONQCh. 13 - Prob. 5CONQCh. 13 - 6. The wobble rules for tRNA-mRNA pairing are...Ch. 13 - Prob. 7CONQCh. 13 - Prob. 8CONQCh. 13 - Prob. 9CONQCh. 13 - If a tRNA has an anticodon sequence 3CCI5, what...Ch. 13 - Describe the anticodon of a single tRNA that could...Ch. 13 - Prob. 12CONQCh. 13 - Prob. 13CONQCh. 13 - 14. What is the role of aminoacyl-tRNA synthetase?...Ch. 13 - Prob. 15CONQCh. 13 - 16. Discuss the significance of modified bases...Ch. 13 - How and when does formylmethionine become attached...Ch. 13 - Prob. 18CONQCh. 13 - Prob. 19CONQCh. 13 - Prob. 20CONQCh. 13 - The term subunit can be used in a variety of ways....Ch. 13 - 22. Do the following events during bacterial...Ch. 13 - 23. What are the three stages of translation?...Ch. 13 - Prob. 24CONQCh. 13 - 25. For each of the following initiation factors,...Ch. 13 - Prob. 26CONQCh. 13 - 27. For each of the following sequences, rank them...Ch. 13 - Prob. 28CONQCh. 13 - Prob. 29CONQCh. 13 - Prob. 30CONQCh. 13 - Prob. 31CONQCh. 13 - In which of the ribosomal sites, the A site, P...Ch. 13 - Prob. 33CONQCh. 13 - Prob. 34CONQCh. 13 - Prob. 35CONQCh. 13 - Prob. 36CONQCh. 13 - Prob. 37CONQCh. 13 - 1. In the experiment of Figure 13.7, what would be...Ch. 13 - 2. Polypeptides can be translated in vitro. Would...Ch. 13 - Discuss how the elucidation of the structure of...Ch. 13 - Describe the structure of a polysome, which is...Ch. 13 - Prob. 5EQCh. 13 - 6. The technique of Western blotting is described...Ch. 13 - The protein known as tyrosinase is needed to make...Ch. 13 - Prob. 8EQCh. 13 - Discuss why you think the ribosomes need to...Ch. 13 - 2. Discuss and make a list of the similarities...Ch. 13 - 3. Which events during translation involve...
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- The level of protein structure that describes all aspects of the three-dimensional folding of a polypeptide is referred to as the A. quaternary structure. B. secondary structure. C. primary structure. D. tertiary structure.arrow_forwardThe structural level of a protein least affected by a disruption in hydrogen bonding is the a. primary b.secondary c. tertiary d. quaternaryarrow_forwardWhich of the following is NOT an example of protein secondary structure? a. alpha-helix b. beta sheets c. beta turn d. coiled coil e. loopsarrow_forward
- The structure of a protein results from the folding ofthe pleated sheets or helices.a. primary c. tertiaryb. secondary d. quaternaryarrow_forwardWhich of the following is FALSE? Select one: a. The hydrogen bonding in a beta-sheet is between strands rather than within strands. b. The two main types of secondary structure are the alpha-helix and beta-sheet structures c. The hydrogen bonding in a beta-sheet is within strands rather than between strands. d. Alpha-helix is maintained by hydrogen bonds.arrow_forwardThe difference between a polypeptide and a protein is a. that proteins are polypeptides folded up into a functional three-dimensional conformation b. that proteins are precursors of polypeptides c. that polypeptides are made of protein folded up into a functional three-dimensional conformation d. that proteins are always made with many polypeptidesarrow_forward
- Which of the following statements about this structure is TRUE? a. It contains a phosphoester bond b. It contains a pentose sugar. c. It is a deoxynucleoside triphosphate. d. Both a. and b. e. Both a. and c.arrow_forwardWhich of the following describes the tertiary structure of proteins? A. Helices and sheets formed from hydrogen bonds between the amino acids of polypeptides B. The functional domains that form from interactions between different parts of the polypeptide C. The association of multiple polypeptides D. The linear sequence of amino acids making up the polypeptidearrow_forwardA prosthetic group of a protein is a non-protein structure that is: a. a ligand of the protein. b. a part of the secondary structure of the protein. c. a substrate of the protein. d. permanently (tightly) associated with the protein. e. transiently bound to the protein.arrow_forward
- Which of the following is NOT a function of proteins? A. movement of muscles B. provide structural components stores the genetic information of a living organism C. catalyze reactions in the cells D. transport substances through the bloodstreamarrow_forwardMatch the level of protein structure to its description: Primary Secondary Tertiary Quaternary A. Folding due to interactions among the peptide backbone B. Interactions among multiple polypeptide chains C. Sequence of amino acids D. Folding due to interactions among side chainsarrow_forwardA protein is made up for two polypeptides that differ in shape. Each polypeptide has one domain. Which of the following is NOT true? a. the protein is stabilized by hydrogen bonds b. the two polypeptide are encoded by the same gene c. the protein has quaternary structure d. none of the above e. the protein is a heterodimerarrow_forward
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