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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Electrostatic bond or salt bridge can be formed between side chains of ___.
A. Valine and Leucine
B. Tyrosine and Serine
C. Lysine and glutamate
D. Aspartate and glutamate
A _____ is an example of protein secondary structure.
Select one:
a.
polypeptide
b.
domain
c.
barrel
Arginine is considered a basic amino acid because its side chain ________ at physiological conditions (around pH 7).
a. is protonated
b. has a low pKa
c. proton is titrated away
d. is hydrophobic
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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- A_______ is an example of protein secondary structure. a. barrel c. domain b. polypeptide d. helixarrow_forwardNaCl (a salt) can disrupt protein structure. This is true because a protein containing the amino acid glutamic acid can form ______ bonds with Na+. Select one: a. alpha-helix b. barry c. ionic d. peptide e. hydrogenarrow_forwardAll of the following are basic amino acids, except_ A. Histidine B. Arginine C. Lysine D. Glycinearrow_forward
- A ________ is a portion of protein with a particular structure andfunction.a. peptide bondb. domainc. phospholipidd. waxe. monosaccharidearrow_forwardProteins are synthesized by linking amino acids with ___________bonds.a. disulfideb. glycosidicc. peptided. esterarrow_forwardThe proteasome contains enzymes that cleave _________ bonds. Select one: a. peptide b. hydrogen c. barry d. ionic e. alpha-helixarrow_forward
- Nucleotides consist of _____. Select one: a. a nitrogen-containing base, a pentose sugar, and a phosphate group b. 10 or more monosaccharides c. glycerol and 3 fatty acid chains d. four interlocking hydrocarbon ringsarrow_forwardThe function of a protein depends on the protein's ______ A. size B. structureC. pHarrow_forwardThe building blocks of nucleic acids are _____. Select one: a. nucleotides b. amino acids c. fatty acids d. monosaccharidesarrow_forward
- The tangled shape of a polypeptide is its ________ structure, which gives it maximum stability. A. primary B. secondary C. tertiary D. quaternary E. denaturalizedarrow_forwardThe amino sequence of a protein is: alanine, leucine, valine, threonine. This information reveals the protein’s _______ structure. The “C” terminus or side of this protein is ______. Select one: a. primary, alanine b. secondary, alanine c. secondary, leucine d. secondary, threonine e. primary, threoninearrow_forwardWhich of the following bonding types is the most important in the nonaqueous interfaces between protein subunits? a. van der Waals interactions b. the hydrophobic effect c. ionic bonds d. disulfide bridgesarrow_forward
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Biomolecules - Protein - Amino acids; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=ySNVPDHJ0ek;License: Standard YouTube License, CC-BY