Question 1

Why is it important that an experiment include a control group?

Accepted Answer

A) The control group is the group that the researcher is in control of; it is the group in which the researcher predetermines the nature of the results. 
B) The control group provides a reserve of experimental subjects. 
C) A control group is required for the development of an "if, then" statement. 
D) A control group assures that an experiment will be repeatable. 
E) Without a control group, there is no basis for knowing if a particular result is due to the variable being tested or to some other factor. 
A) The control group is the group that the researcher is in control of; it is the group in which the researcher predetermines the nature of the results. 
B) The control group provides a reserve of experimental subjects. 
C) A control group is required for the development of an "if, then" statement. 
D) A control group assures that an experiment will be repeatable. 
E) Without a control group, there is no basis for knowing if a particular result is due to the variable being tested or to some other factor. E

Question 2

Which of these is a correct representation of the hierarchy of biological organization from least to most complex?

Accepted Answer

A) organelle of a stomach cell, digestive system, large intestine, small intestine, intestinal tissue, organism 
B) organelle of an intestinal cell, digestive system, small intestine, large intestine, intestinal tissue, organism 
C) molecule, intestinal cell organelle, intestinal cell, intestinal tissue, digestive system, organism 
D) molecule, small intestine, large intestine, intestinal tissue, digestive system, organism 
E) molecule, digestive system, digestive cell organelle, small intestine, large intestine, intestinal cell, organism 
A) organelle of a stomach cell, digestive system, large intestine, small intestine, intestinal tissue, organism 
B) organelle of an intestinal cell, digestive system, small intestine, large intestine, intestinal tissue, organism 
C) molecule, intestinal cell organelle, intestinal cell, intestinal tissue, digestive system, organism 
D) molecule, small intestine, large intestine, intestinal tissue, digestive system, organism 
E) molecule, digestive system, digestive cell organelle, small intestine, large intestine, intestinal cell, organism C

Question 3

A controlled experiment is one that

Accepted Answer

A) proceeds slowly enough that a scientist can make careful records of the results. 
B) may include experimental groups and control groups tested in parallel. 
C) is repeated many times to make sure the results are accurate. 
D) keeps all environmental variables constant. 
E) is supervised by an experienced scientist. 
A) proceeds slowly enough that a scientist can make careful records of the results. 
B) may include experimental groups and control groups tested in parallel. 
C) is repeated many times to make sure the results are accurate. 
D) keeps all environmental variables constant. 
E) is supervised by an experienced scientist. B

Question 4

Which of the following is a False statement regarding deoxyribonucleic acid (DNA)?

Accepted Answer

A) Each deoxyribonucleic acid molecule is composed of two long chains of nucleotides arranged in a double helix. 
B) Genes are composed of deoxyribonucleic acid. 
C) DNA is composed of chemical building blocks called nucleotides. 
D) DNA is a code for the sequence of amino acids in a protein. 
E) DNA is an enzyme that puts together amino acids to make a protein. 
A) Each deoxyribonucleic acid molecule is composed of two long chains of nucleotides arranged in a double helix. 
B) Genes are composed of deoxyribonucleic acid. 
C) DNA is composed of chemical building blocks called nucleotides. 
D) DNA is a code for the sequence of amino acids in a protein. 
E) DNA is an enzyme that puts together amino acids to make a protein.

Question 5

Which of the following is a False statement regarding DNA?

Accepted Answer

A) Each chromosome has one very long DNA molecule with hundreds of thousands of genes. 
B) Every cell is enclosed by a membrane. 
C) Every cell uses DNA as its genetic information. 
D) All forms of life are composed of cells that have a membrane-enclosed nucleus. 
E) DNA is the unit of inheritance that is transmitted from parent to offspring. 
A) Each chromosome has one very long DNA molecule with hundreds of thousands of genes. 
B) Every cell is enclosed by a membrane. 
C) Every cell uses DNA as its genetic information. 
D) All forms of life are composed of cells that have a membrane-enclosed nucleus. 
E) DNA is the unit of inheritance that is transmitted from parent to offspring.

Question 6

Which of the following is (are)True of natural selection?

Accepted Answer

A) requires genetic variation 
B) results in descent with modification 
C) involves differential reproductive success 
D) B and C only 
E) A, B, and C 
A) requires genetic variation 
B) results in descent with modification 
C) involves differential reproductive success 
D) B and C only 
E) A, B, and C

Question 7

Which of the following sequences represents the hierarchy of biological organization from the least to the most complex level?

Accepted Answer

A) organelle, tissue, biosphere, ecosystem, population, organism 
B) cell, community, population, organ system, molecule, organelle 
C) organism, community, biosphere, molecule, tissue, organ 
D) ecosystem, cell, population, tissue, organism, organ system 
E) molecule, cell, organ system, population, ecosystem, biosphere 
A) organelle, tissue, biosphere, ecosystem, population, organism 
B) cell, community, population, organ system, molecule, organelle 
C) organism, community, biosphere, molecule, tissue, organ 
D) ecosystem, cell, population, tissue, organism, organ system 
E) molecule, cell, organ system, population, ecosystem, biosphere

Question 8

The goal of systems biology is to construct models to predict the emergent properties of cells.

Accepted Answer

A) True 
 B)False

Question 9

In terms of the hierarchical organization of life, a bacterium is at the __________ level of organization, whereas a human is at the __________ level of organization.

Accepted Answer

A) single-celled organism; multicellular organism 
B) single organelle; organism 
C) organelle; organ system 
D) single tissue; multicellular organism 
E) tissue; organism 
A) single-celled organism; multicellular organism 
B) single organelle; organism 
C) organelle; organ system 
D) single tissue; multicellular organism 
E) tissue; organism

Question 10

Prokaryotes are classified as belonging to two different domains. What are the domains?

Accepted Answer

A) Bacteria and Eukarya 
B) Archaea and Monera 
C) Eukarya and Monera 
D) Bacteria and Protista 
E) Bacteria and Archaea 
A) Bacteria and Eukarya 
B) Archaea and Monera 
C) Eukarya and Monera 
D) Bacteria and Protista 
E) Bacteria and Archaea

Question 11

Which of the following is not a theme that unifies biology?

Accepted Answer

A) interaction with the environment 
B) emergent properties 
C) evolution 
D) reductionism 
E) structure and function 
A) interaction with the environment 
B) emergent properties 
C) evolution 
D) reductionism 
E) structure and function

Question 12

The method of scientific inquiry that describes natural structures and processes as accurately as possible through careful observation and the analysis of data is known as

Accepted Answer

A) hypothesis-based science. 
B) discovery science. 
C) experimental science. 
D) quantitative science. 
E) qualitative science. 
A) hypothesis-based science. 
B) discovery science. 
C) experimental science. 
D) quantitative science. 
E) qualitative science.

Question 13

Species that are in the same __________ are more closely related than species that are only in the same __________.

Accepted Answer

A) phylum; class 
B) family; order 
C) class; order 
D) family; genus 
E) kingdom; phylum 
A) phylum; class 
B) family; order 
C) class; order 
D) family; genus 
E) kingdom; phylum

Question 14

When blood glucose level rises, the pancreas secretes insulin, and as a result blood glucose level declines. When blood glucose level is low, the pancreas secretes glucagon, and as a result blood glucose level rises. Such regulation of blood glucose level is the result of

Accepted Answer

A) catalytic feedback. 
B) positive feedback. 
C) negative feedback. 
D) bioinformatic regulation. 
E) protein-protein interactions. 
A) catalytic feedback. 
B) positive feedback. 
C) negative feedback. 
D) bioinformatic regulation. 
E) protein-protein interactions.

Question 15

A theory in science is equivalent in scope to a well-structured hypothesis.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following properties or processes do we associate with living things?

Accepted Answer

A) evolutionary adaptations 
B) energy processing 
C) responding to the environment 
D) growth and reproduction 
E) all of the above 
A) evolutionary adaptations 
B) energy processing 
C) responding to the environment 
D) growth and reproduction 
E) all of the above

Question 17

A type of protein critical to all cells is organic catalysts called

Accepted Answer

A) feedback activators. 
B) feedback inhibitors. 
C) enzymes. 
D) metabolites. 
E) nutrients. 
A) feedback activators. 
B) feedback inhibitors. 
C) enzymes. 
D) metabolites. 
E) nutrients.

Question 18

Which of the following is not an observation or inference on which Darwin's theory of natural selection is based?

Accepted Answer

A) Poorly adapted individuals never produce offspring. 
B) There is heritable variation among individuals. 
C) Because of overproduction of offspring, there is competition for limited resources. 
D) Individuals whose inherited characteristics best fit them to the environment will generally produce more offspring. 
E) A population can become adapted to its environment. 
A) Poorly adapted individuals never produce offspring. 
B) There is heritable variation among individuals. 
C) Because of overproduction of offspring, there is competition for limited resources. 
D) Individuals whose inherited characteristics best fit them to the environment will generally produce more offspring. 
E) A population can become adapted to its environment.

Question 19

The application of scientific knowledge for some specific purpose is known as

Accepted Answer

A) technology. 
B) deductive science. 
C) inductive science. 
D) anthropologic science. 
E) pure science. 
A) technology. 
B) deductive science. 
C) inductive science. 
D) anthropologic science. 
E) pure science.

Question 20

Which of these is based on a deduction?

Accepted Answer

A) My car won't start. 
B) My car's battery is dead. 
C) My car is out of gas. 
D) I lost my car key. 
E) If I turn the key in the ignition while stepping on the gas pedal, then my car will start. 
A) My car won't start. 
B) My car's battery is dead. 
C) My car is out of gas. 
D) I lost my car key. 
E) If I turn the key in the ignition while stepping on the gas pedal, then my car will start.

Exam 1: Introduction: Themes in the Study of Life

Why is it important that an experiment include a control group?

Which of these is a correct representation of the hierarchy of biological organization from least to most complex?

A controlled experiment is one that

Which of the following is a False statement regarding deoxyribonucleic acid (DNA)?

Which of the following is a False statement regarding DNA?

Which of the following is (are)True of natural selection?

Which of the following sequences represents the hierarchy of biological organization from the least to the most complex level?

The goal of systems biology is to construct models to predict the emergent properties of cells.

In terms of the hierarchical organization of life, a bacterium is at the __________ level of organization, whereas a human is at the __________ level of organization.

Prokaryotes are classified as belonging to two different domains. What are the domains?

Which of the following is not a theme that unifies biology?

The method of scientific inquiry that describes natural structures and processes as accurately as possible through careful observation and the analysis of data is known as

Species that are in the same __________ are more closely related than species that are only in the same __________.

When blood glucose level rises, the pancreas secretes insulin, and as a result blood glucose level declines. When blood glucose level is low, the pancreas secretes glucagon, and as a result blood glucose level rises. Such regulation of blood glucose level is the result of

A theory in science is equivalent in scope to a well-structured hypothesis.

Which of the following properties or processes do we associate with living things?

A type of protein critical to all cells is organic catalysts called

Which of the following is not an observation or inference on which Darwin's theory of natural selection is based?

The application of scientific knowledge for some specific purpose is known as

Which of these is based on a deduction?

The Chemical Context of Life

Water and the Fitness of the Environment

Carbon and the Molecular Diversity of Life

The Structure and Function of Large Biological Molecules

A Tour of the Cell

Membrane Structure and Function

An Introduction to Metabolism

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

From Gene to Protein

Control of Gene Expression

Viruses

Biotechnology

Genomes and Their Evolution

Descent With Modification: a Darwinian View of Life

The Evolution of Populations

The Origin of Species

The History of Life on Earth

Phylogeny and the Tree of Life

Bacteria and Archaea

Protists

Plant Diversity I: How Plants Colonized Land

Plant Diversity Ii: the Evolution of Seed Plants

Fungi

An Introduction to Animal Diversity

Invertebrates

Vertebrates

Plant Structure, Growth, and Development

Transport in Vascular Plants

Soil and Plant Nutrition

Angiosperm Reproduction and Biotechnology

Plant Responses to Internal and External Signals

Basic Principles of Animal Form and Function

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Osmoregulation and Excretion

Hormones and the Endocrine System

Animal Reproduction

Animal Development

Neurons, Synapses, and Signaling

Nervous Systems

Sensory and Motor Mechanisms

Animal Behavior

An Introduction to Ecology and the Biosphere

Population Ecology

Community Ecology

Ecosystems

Conservation Biology and Restoration Ecology

Filters

In terms of the hierarchical organization of life, a bacterium is at the level of organization, whereas a human is at the level of organization.

Species that are in the same are more closely related than species that are only in the same .