Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 2, Problem 2MCQ
The ____ charge of a proton is exactly balanced by the ____ change of a(an).
- a. negative, positive, electron
- b. positive, neutral, neutron
- c. positive, negative, electron
- d. neutral, negative, electron
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All ions have at least one ________ (select all that arecorrect).a. proton c. electronb. neutron d. all of the above
The charge____________ of a proton is exactly balanced by thecharge of a (an) ____________.a. negative, positive, electronb. positive, neutral, neutronc. positive, negative, electrond. neutral, negative, electron
This occurs when the cations and anions are attracted to the positive and negative ends of water molecules:
A. ionic bonding
B. dissociation
C. covalent bonding
D. hydrogen bonding
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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- What is a proton? A. A negatively charged particle B. A positively charged particle C. An element on the periodic table D. Any particle found in the nucleusarrow_forwardA substance that has weight and occupies space is calleda. kinetic energy.b. a catalyst.c. matter.d. potential energy.arrow_forwardThe nucleus of an atom contains: a. neutrons and electrons b. protons and electrons c. protons only d. neutrons and protons e. neutrons onlyarrow_forward
- One of the most important properties of water is that it can form a _______ with other water molecules. This means that water molecules are able to “stick together” to a certain extent. The term for this property is cohesion. A. Ionic bond B. Covalent Bond C. Hydrogen Bondarrow_forward. A cation is a(n)a. uncharged atom.b. positively charged atom.c. negatively charged atom.d. atom that has gained an electronarrow_forwardWhat atom has only one proton?a. hydrogen d. a free radicalb. an isotope e. a radioisotopec. helium f. oxygenarrow_forward
- This is an _____ reaction since energy must be added to create product The potential energy of the reactants is ______ The potential energy of the products is ______ The change in potential energy, ΔE, is _____ A. exothermic B. endothermic C. unthermic D. 15 kcal/mol E. 40 kcal/mol F. 25 kcal/mol G. 50 kcal/mol H. 10 kcal/molarrow_forwardChemical reactions that take place in living systems include A. Neutralization reaction B. Condensation reaction C. Hydrolysis reaction D. All the abovearrow_forwardReactions in which water is used to break apart other molecules areknown as __________ reactions.a. hydrophilicb. hydrophobicc. dehydrationd. anabolice. hydrolysisarrow_forward
- Select the statements that are TRUE regarding Water. SELECT ALL THAT APPLY A. Water is amphoteric B. Water can be a base C. Water is partially charged D. Water can be an acidarrow_forwardA molecule that donates electrons becomes____ , and the one that accepts the electrons becomes_____ . a. reduced; oxidized c. oxidized; reduced b. ionic; electrified d. electrified; ionicarrow_forwardWhen hydrogen is a part of a ________, it has a slight positive charge. a. Ionic bond b. polar covalent bond c. nonpolar covalent bondarrow_forward
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