Test Bank for Biology 12th Edition By Peter Raven, George Johnson, Kenneth Mason, Jonathan Losos, Susan Singer

BIOLOGY 12TH EDITION RAVEN TEST BANK




TEST BANK
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, BIOLOGY 12TH EDITION RAVEN TEST BANK




Biology, 12e (Raven) c c


Chapter 2 The Nature of Molecules and the Properties of Water
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1) Matter is composed of:c c c


A) atoms
B) energy
C) mass
D) molecules

Answer: A c


Section: 02.01
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Topic: The Nature of Atoms
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Bloom's: 1. Remember
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LO: 02.01.01 Define an element based on its composition.
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2) All atoms possess the ability to do work. The term that is defined as the ability to do work is:
c c c c c c c c c c c c c c c c c c c


A) matter
B) energy
C) molecules
D) space

Answer: B c


Section: 02.01
c c
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Topic: The Nature of Atoms
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Bloom's: 1. Remember
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LO: 02.01.02 Describe the relationship between atomic structure and chemical properties.
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3) The number of protons in a given atom is equal to its:
c c c c c c c c c c c


A) atomic number c


B) mass
C) neutron number c


D) molecular number c




Answer: A c


Section: 02.01
c c


Topic: The Nature of Atoms
c c c c


Bloom's: 1. Remember
c c c


LO: 02.01.02 Describe the relationship between atomic structure and chemical properties.
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c c c




1
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, BIOLOGY 12TH EDITION RAVEN TEST BANK




4) Isotopes that are unstable and decay when their nucleus breaks up into elements with lower
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atomic numbers, emitting significant amounts of energy in the process, are called:
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A) energetic
B) ionic
C) radioactive
D) isometric

Answer: C c


Section: 02.01
c c


Topic: The Nature of Atoms
c c c c


Bloom's: 1. Remember
c c c


LO: 02.01.02 Describe the relationship between atomic structure and chemical properties.
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c c c




5) Atoms containing a specific number of protons are called:
c c c c c c c c


A) minerals
B) elements
C) metals
D) molecules

Answer: B c


Section: 02.02
c c


Topic: Elements Found in Living Systems
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Bloom's: 1. c c
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Remember
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LO: 02.02.01 Relate atomic structure to the periodic table of the elements.
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c c c




6) Sugars dissolve well in water because of water's
c c c c c c c c .
A) ionic bonds c


B) cohesiveness
C) hydrophobic exclusion c


D) polarity

Answer: D c


Section: 02.03
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Topic: The Nature of Chemical Bonds
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Bloom's: 2. Understand
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LO: 02.03.03 Contrast polar and nonpolar covalent bonds.
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c c c




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No reproduction or distribution without the prior written onsent of McGraw-Hill Education.


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, BIOLOGY 12TH EDITION RAVEN TEST BANK




7) The negative logarithm of the hydrogen ion concentration in the solution is referred to as:
c c c c c c c c c c c c c c


A) pH
B) atomic mass c


C) -OH concentration
c


D) electronegativity
E) specific heat c




Answer: A c


Section: 02.06
c c


Topic: Acids and Bases
c c c


Bloom's: 1. Remember
c c c


LO: 02.06.01 Define acids, bases, and the pH scale.
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c c c




8) Bicarbonate ions in the blood can absorb hydrogen ions, keeping pH balanced. Bicarbonate is
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acting as a
c c c in blood.
c c


A) buffer
B) acid
C) base
D) alkaline

Answer: A c


Section: 02.06
c c


Topic: Acids and Bases
c
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c c


Bloom's: 2.
c c c


Understand
c


LO: 02.06.01 Define acids, bases, and the pH scale.
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Accessibility: Keyboard Navigation
c c c




9) Atomic nuclei contain protons and
c c c c c .
A) isomers
B) ions
C) moles
D) neutrons

Answer: D c


Section: 02.01
c c


Topic: The Nature of Atoms
c c c c


Bloom's: 1. Remember
c c c


LO: 02.01.01 Define an element based on its composition.
c c c c c c c c


Accessibility: Keyboard Navigation
c c c




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No reproduction or distribution without the prior written onsent of McGraw-Hill Education.


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