Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 5, Problem 12TYU
WRITE ABOUT A THEME: ORGANIZATION Proteins, which have diverse functions in a cell, are all
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Protein structure is directly related to function. Which of the following statements is true regarding this concept ?
Polypeptide backbone
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A. The primary structure consists of the DNA sequence. The secondary and tertiary structures are dependent on interactions between the DNA and RNA polymerase. Mutations resulting in changes one or
more bases has the potential to destroy the structure, and therefore the function, of the protein.
B. The primary structure consists of the amino acid sequence. The secondary and tertiary structures are dependent on interactions between the amino acid side chains. Mutations resulting in changes one or more
amino acids has the potential to destroy the structure, and therefore the function, of the protein.
C. The primary structure consists of the DNA sequence. The secondary structure consists of the amino acid…
Describe the four levels of protein structures. Include information about the bond between amino acids, and for the third level of protein structure, discuss the other types of bond found there. Make sure you include hydrogen bonds, ionic bonds, and an example of covalent bonding. Explain why not all proteins form a quaternary structure.
Select the true statements about protein secondary structure.
In an a-helix, the side chains are located on the outside of the helix.
The secondary level of protein structure refers to the spatial arrangements of short segments of the protein.
In a B-pleated sheet, the side chains are located between adjacent segments.
Peptide bonds stabilize secondary structure.
The x-helix is held together by hydrogen bonds between the amide N-H and C=O groups.
Incorrect
Chapter 5 Solutions
Campbell Biology
Ch. 5.1 - What are the four main classes of large biological...Ch. 5.1 - How many molecules of water are needed to...Ch. 5.1 - WHAT IF? If you eat a piece of fish, what...Ch. 5.2 - Write the formula for a monosaccharide that has...Ch. 5.2 - Prob. 2CCCh. 5.2 - WHAT IF? After a cow is given antibiotics to...Ch. 5.3 - Compare the structure of a fat (triglyceride) with...Ch. 5.3 - Why are human sex hormones considered lipids?Ch. 5.3 - Prob. 3CCCh. 5.4 - What parts of a polypeptide participate in the...
Ch. 5.4 - Prob. 2CCCh. 5.4 - Prob. 3CCCh. 5.4 - WHAT IF? Where would you expect a polypeptide...Ch. 5.5 - Prob. 1CCCh. 5.5 - Prob. 2CCCh. 5.6 - How would sequencing the entire genome of an...Ch. 5.6 - Given the function of DNA, why would you expect...Ch. 5 - What is the fundamental basis for the differences...Ch. 5 - Compare the composition, structure, and function...Ch. 5 - Why are lipids not considered to be polymers or...Ch. 5 - Explain the basis for the great diversity of...Ch. 5 - What role does complementary base pairing play in...Ch. 5 - Prob. 5.6CRCh. 5 - Which of the following categories includes all...Ch. 5 - The enzyme amylase can break glycosidic linkages...Ch. 5 - Prob. 3TYUCh. 5 - The structural level of a protein least affected...Ch. 5 - Enzymes that break down DNA catalyze the...Ch. 5 - The molecular formula for glucose is C6H12O6. What...Ch. 5 - Which of the following pairs of base sequences...Ch. 5 - Construct a table that organizes the following...Ch. 5 - Prob. 9TYUCh. 5 - EVOLUTION CONNECTION Comparisons of amino acid...Ch. 5 - SCIENTIFIC INQUIRY Suppose you are a research...Ch. 5 - WRITE ABOUT A THEME: ORGANIZATION Proteins, which...Ch. 5 - SYNTHESIZE YOUR KNOWLEDGE Given that the function...
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- Match the protein structure terms on the left with the descriptions on the right. v (Choose ) commonly observed combinations of secondary structural elements tertiary structure Long segments of secondary structure. supersecondary structure basic component of quaternary structure Spatial arrangement of peptide atoms, stabilized by non-covalent interactions between atoms found within the peptide Spatial arrangement of peptide atoms, stabilized by non-covalent interactions between atoms found within the side chain compact structural or functional regions within a given polypeptide functional structures formed by non-covalent interactions between multiple polypeptides. domain (Choosel subunit quaternary structure (Choose)arrow_forwardMatch the following levels of protein structure with their description two or more polypeptide chains > > twisting and folding to form a 3-dimensional structure, dependent on the locations of the charged groups and polar groups within the amino acid chain, sometimes covalent bonds form between sulfur atoms (called disulfide bonds) alpha helix and beta- pleated sheets formed by the arrangement of hydrogen bonds between amino acids, many other shapes are possible amino acid sequence 1. quaternary 2. tertiary 3. primary 4. secondaryarrow_forwardDiscuss using your own words and illustrations the organisation of a protein, from its linear amino acid sequence, to its final three–dimensional configuration, which may include one or more polypeptides. Include what types of bonds help to stabilise each structural level, from primary through quaternary structure.arrow_forward
- Protein structures have several different levels of organization. In the space below indicate the type of molecular bonds that can contribute to each level of organization: primary- secondary- tertiary- quarternary-arrow_forwardPhysical methods are often used to determine protein conformation. Describe how x-ray crystallography, cryo electron microscopy, and NMR spectroscopy can be used to determine the shapes of proteins. What are the advantages and disadvantages of each method? Which is better for small proteins? Large proteins? Huge macromolecular assemblies?arrow_forwardWhat life uses proteins for? (functions of proteins) Describe protein structures. Describe the alpha helix and the beta sheet structure of proteins. Which structure is the most important in the function of a protein? Describe what can affect the protein structure. Why the structure of a protein is important?arrow_forward
- Part A What is the highest structural level of protein structure represented in the following image? primary quaternary secondary pentanary tertiary O Oarrow_forwardExplain Four Levels of Protein Structure with examples and talk about the importance of each structure (Primary, Secondary, Tertiary, and Quaternary structure). With photos pleasearrow_forwardDescribe how a polypeptide can fold to become a functioning protein. Be sure to address the four levels of protein (folding or organization known as hierarchy of structure). In addition, describe three different jobs proteins can perform if the protein has the correct shape.arrow_forward
- Proteins, which have diverse functions and a cell, are all polymers of the same kinds of monomers-amino acids. Describe how the structure of amino acids allow proteins to perform so many functions.arrow_forwardDetermine whether the following statements describing protein structures is correct or incorrect. CORRECT INCORRECT Proteins in a primary structure consist of a simple polypeptide chain. Interactions between the R groups in amino acids form tertiary structure. Secondary structures are formed by multiple polypeptide chains The two types of secondary structures are the alpha and beta pleated sheetsarrow_forwardThe functions of biomolecules in cells and organisms are enabled by their specific chemical properties. Many biological macromolecules are polymers comprised of monomer molecules held together by specific types of bonds. Give the names of the corresponding monomer and type of bond that constitute the following polymeric macromolecules. Polymer Monomer BondNucleic AcidPolysaccharideProteinarrow_forward
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