Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Chapter 2, Problem 8MCQ
Summary Introduction
Introduction:
Proteins are composed of chains of amino-acids joined together by peptide bonds. This step causes the release of a water molecule.
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The carbon-to-nitrogen bond that joins amino acids together is called a.a glycosidic bond. b.a peptide bond. c.a hydrogen bond. d.a double bond.
Biological activity of proteins is dependent on which?
A. peptide bonds
B. thermodynamic properties
C. an aqueous environment
D. protein conformation
Which of the following is not associated with proteins?
a.) amino acids
b.) hydrogenation
c.) peptide bonds
d) bending and folding
Chapter 2 Solutions
Microbiology: A Systems Approach
Ch. 2.1 - Explain the relationship between atoms and...Ch. 2.1 - Prob. 2AYPCh. 2.1 - Prob. 3AYPCh. 2.1 - Prob. 4AYPCh. 2.2 - Prob. 5AYPCh. 2.2 - Provide examples of cell components made from each...Ch. 2.2 - Prob. 7AYPCh. 2.2 - Prob. 8AYPCh. 2.2 - Name the nitrogen bases of DNA and RNA.Ch. 2.2 - Prob. 10AYP
Ch. 2.3 - Recall three characteristics common to all cells.Ch. 2 - The smallest unit of matter with unique...Ch. 2 - The ____ charge of a proton is exactly balanced by...Ch. 2 - Electrons move around the nucleus of an atom in...Ch. 2 - Bonds in which atoms share electrons are defined...Ch. 2 - Prob. 5MCQCh. 2 - Prob. 6MCQCh. 2 - Prob. 7MCQCh. 2 - Prob. 8MCQCh. 2 - DNA is a hereditary molecule that is composed of...Ch. 2 - Prob. 10MCQCh. 2 - Prob. 11TFCh. 2 - Prob. 12TFCh. 2 - Prob. 13TFCh. 2 - Prob. 14TFCh. 2 - Membranes are mainly composed of macromolecules...Ch. 2 - Support or refute the following statement: Double...Ch. 2 - Prob. 2CTQCh. 2 - Plant cell walk are composed of cellulose, a...Ch. 2 - Compare and contrast the kinds of chemical bonding...Ch. 2 - Prob. 5CTQCh. 2 - Prob. 1VCCh. 2 - Prob. 1CM
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- _______ are to protein as ______ are to nucleic acids. a. Sugars; lipids c. Amino acids; hydrogen bonds b. Sugars; proteins d. Amino acids; nucleotidesarrow_forwardIn order for proteins to function properly the neccessary amino acids must have a specific what? A. Sequence B. Bond C. Number D. Compoundarrow_forwardWhich of the following is incorrect regarding nucleotides?a. They contain a sugar, a nitrogen-containing base, and aphosphate group.b. They are the monomers of fats and polysaccharides.c. They join together by alternating covalent bonds between thesugars and phosphate groups.d. They are present in both DNA and RNAarrow_forward
- The ends of amino acids are labeled differently than the ends of nucleic acids because a. amino acids do not have carbons. b. amino acids do not have sugars. c. amino acids do not have bases. d. amino acids do not have phosphate groups.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_forwardthe primary structure of proteins is held together by a. covalent bonds b. hydrogen bonds c. disulfide bonds d. ionic bondsarrow_forward
- 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.arrow_forward_________________ are the building blocks of proteins. a. Nucleic Acids b. Amino Acids c. Hydrochloric Acids d. Ribonucleic Acidsarrow_forwardWhich of these are NOT components of an amino acid? hydrophilic tail b. side chain c. carboxyl group d. a hydrogen atom e. central carbon atomarrow_forward
- Which of the following statements about proteins is FALSE? a They can be hydrophobic, hydrophilic, or both. b They are composed of amino acids. c Their primary function is energy storage. d They have multiple levels of structural organization.arrow_forwardWhich part of the amino acid varies between different types of amino acids? A. The amino group B. The carboxyl group C. The side chain D. All of the abovearrow_forwardWhich of these are considered “part” of each amino acid? A. Carboxyl acid group B. All of the options are correct C. R Group D. Amino grouparrow_forward
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