Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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The smallest unit of life that can survive and reproduce on its own is a(an)
Chapter 1
a. | atom | c. | organ | b. | Molecule | d. | Population |
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2.
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All of the coyotes (Canis latrans) living in the Mojave Desert constitute
a(n): Chapter 1
a. | ecosystem | d. | organism | b. | community | e. | population | c. | biosphere |
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3.
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What are the fundamental building blocks of all
matter? Chapter 2
a. | atoms | d. | molecules | b. | compounds | e. | electrons | c. | ions |
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4.
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Negatively charged subatomic particles are known as: Chapter 2
a. | neutrons | d. | elements | b. | protons | e. | atoms | c. | electrons |
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5.
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How many vacancies does carbon
have? Chapter 3
a. | two | d. | five | b. | three | e. | six | c. | four |
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6.
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An ?2-OH group is a(n) ____ group. Chapter 3
a. | carboxyl | d. | methyl | b. | hydroxyl | e. | carbonyl | c. | amine |
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7.
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What happens when a round cell expands in diameter? Chapter 4
a. | Its surface area and diameter increase with the cube of its diameter | d. | Its surface area
increases faster than its volume does. | b. | Its surface area and diameter increase with the
square of its diameter. | e. | Its
volume and surface area expand by the same proportion. | c. | Its volume increases faster than its surface
area does. |
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8.
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Four of the five answers listed below are generalizations of the cell theory.
Select the exception.Chapter 4
a. | Cells are the structural and functional components of living things. | c. | All organisms are
composed of cells. | b. | Cells arise from preexisting
cells. | d. | growth is solely the
result of cell division |
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9.
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Four of the five statements about enzymes are correct. Select the
exception.Chapter 5
a. | Enzymes control the speed of a reaction. | d. | Enzymes may require
cofactors. | b. | Enzymes change shapes to facilitate certain reactions. | e. | Enzymes are not limited by environmental
factors. | c. | Enzymes may place physical stress on the bonds of the
substrate. |
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10.
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Four of the five answers listed below affect the rate of enzymatic reactions.
Select the exception Chapter 5
a. | pH | d. | hormones | b. | temperature | e. | buildup of product | c. | Concentrations |
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