Becker's World of the Cell (9th Edition)
9th Edition
ISBN: 9780321934925
Author: Jeff Hardin, Gregory Paul Bertoni
Publisher: PEARSON
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Chapter 2, Problem 2.10PS
Mars Is Alive? Imagine this futuristic scenario: Life has been discovered on Mars and shown to contain a new type of macromolecule. You have been hired to study this new compound and want to determine whether it is a structural or an informational macromolecule. What features would you look for?
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BIOMOLECULES
- Please answer the questions properly.
- Multiple choice
1. One of the following statements best describes the attribute of a “protein motif”. Which one is it?*
A. a commonly occurring arrangement made up of tertiary structures
B. a commonly occurring arrangement made up of multiple secondary structures
C. a unique arrangement made up of tertiary structures found only in a single protein
D. a family of proteins with similar functions
2. Find out the reason why antiparallel beta sheets are more stable than parallel beta sheets?
A. the hydrogen bonding angle is optimized by antiparallel sheets
B. there are more covalent interactions between its amino acids
C. the antiparallel sheets are composed of more stable amino acids
D. the hydrogen bond angle is 150 degrees
Biologically, how expensive are you? The elements that make up the typical adult body can be purchased from chemical supply companies for about $3,000-$4,000. However, each of those elements must be chemically bonded to together to produce the complex biological molecules of life (proteins, nucleic acids, carbohydrates, lipids). Using sophisticated laboratory equipment, highly trained scientists can synthesize these complex biological molecules from basic elemental building blocks, but this costs millions of dollars!Consider the differences in worth between the elemental and biomolecular components of life. Explain the difference in terms of the characteristics of life.
What 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?
Chapter 2 Solutions
Becker's World of the Cell (9th Edition)
Ch. 2 - What properties of the carbon atom make it...Ch. 2 - QUESTION: Compare the flights of the ionized...Ch. 2 - How would the properties of water change if the...Ch. 2 - Why is the amphipathic nature of membrane...Ch. 2 - Problem Set CONCEPT CHECK 2.4 What characteristics...Ch. 2 - Problem Set CONCEPT CHECK 2.5 TMV is an...Ch. 2 - The Fitness of Carbon. Each of the properties that...Ch. 2 - The Fitness of Water. For each of these statements...Ch. 2 - Wrong Again. For each of the following false...Ch. 2 - Prob. 2.4PS
Ch. 2 - Drug Targeting. Your company has developed a new...Ch. 2 - Its All About Membranes. Answer each of the...Ch. 2 - The Polarity of Water. Defend the assertion that...Ch. 2 - QUANTITATIVE Bond Energies. A single covalent bond...Ch. 2 - TMV Assembly. Each of these statements is an...Ch. 2 - Mars Is Alive? Imagine this futuristic scenario:...
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- Need help. Which one of the following statements is FALSE? Group of answer choices A.Beta-pleated sheets are part of the secondary structure of proteins B.The nitrogenous bases of DNA are located on the inside because they are hydrophobic in character C.The peptide bond is formed by dehydration synthesis D.Alpha helices are stabilized by attraction between the amino acid R groups E.The peptide bond is rigid and planar and has partial double bond characterarrow_forwardProtein Concept Map Add these terms to your concept map should include these concepts and details: Structure (functional groups, shape); Monomer; Linkage; Properties; Functions; Key terms from the Partial List of Key Terms from the Minds Partial List of Key Terms essential amino acid amino acid side group/R-group peptide bond polypeptide receptor neurotransmitter hormone secondary structure tertiary structure quaternary structure fair test hydrophobic hydrophilic intermolecular force of attractionarrow_forwardDNA a protein? What are the functions of protein? What exactly is a protein? What are proteins and its types? Is starch a protein? Where are proteins found?arrow_forward
- 6. Plan a meal that contains all four major macromolecules you learned about. Explain how each macromolecule is essential to the functioning of the human body.arrow_forwardNucleic Acid Concept Map Add these terms to your concept map should include these concepts and details: Structure (functional groups, shape); Monomer; Linkage; Properties; Functions; Key terms from the Partial List of Key Terms from the Minds Partial Key Term List nucleotide phosphodiester bond nitrogenous base ribose deoxyribose ATP NAD+ NADP+ FAD cAMP potential energy double helix autotroph heterotroph food systemarrow_forwardCarbon’s versatile bonding behavior allows it to form a variety of structures and are the base of all macromolecules. The diagram shows the structure of an amino acid, which is the monomer unit for proteins. Identify and describe the polymer structures of a protein that constitutes its unique conformation.arrow_forward
- Provide the smallest molecular unit of most lipids, proteins, and nucleic acids. Keep in mind that lipids are a little tricky.arrow_forwardPREDICT Do any of the amino acid side groups shown below have the potential to form an ionic bond with any of the other side groups shown? If so, which pair(s) could form such an association? (a)CH3 (b)CH2 COO (c)CH2 CH2 NH3+ (d)CH2 CH2 COO (e)CH2 OHarrow_forwardCh 5 – Biomolecules What is the role of fats and oils in animals? How are lipids and phospholipids different? Why are phospholipids important? Book: Biology (Campbell) 11 edition Urry. Cain. Wasserman. Minorsky. Reecearrow_forward
- You have been so enamored with lab during your time in Biol201 that you decide to do some biology research yourself over summer break. You discover that the single macromolecule shown below is found in Piggy's skin. 1. What type of macromolecule is shown? a. Name the level of organization of the overall structure. b. Name the secondary structure(s) visible. c. Name the bond holding together the monomers of this structure. d. What effect would a silent mutation have on the shape of this structure?arrow_forwardDraw out the basic amino acid structure (not specific) What is a peptide bond?arrow_forwardQuestion:- How do the levels of structure achieved in proteins?arrow_forward
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