Question 1

All tissues are composed of cells.

Accepted Answer

A) True 
 B)False

Question 2

What is the most likely explanation for a group of crocodiles having acquired lower incubation temperatures giving rise to male crocodiles?

Accepted Answer

A)  Horizontal gene transfer from a related species has introduced changes in this group's genome
B)  Horizontal gene transfer from a related species has introduced changes in this group's proteome
C)  One or more mutations in the genome have been passed through the group by vertical descent
D)  One or more mutations in the proteome have been passed through the group by vertical descentE) A) and D)
F) A) and C)

Question 3

Collecting data without a specific hypothesis in mind is called

Accepted Answer

A)  reductionism.
B)  hypothesis testing.
C)  discovery-based science.
D)  theoretical.
E)  All of these choices are correct.F) B) and D)
G) A) and B) C

Question 4

Whether the external temperature is hot or cold,birds maintain an internal body temperature of approximately 40 ∘\circ∘ C.This is an example of

Accepted Answer

A)  metabolism.
B)  cellular respiration.
C)  growth and development.
D)  homeostasis.
E)  proteomics. F) B) and C)
G) All of the above

Question 5

The phenomenon through which populations of organisms change over several generations is termed

Accepted Answer

A)  homeostasis.
B)  growth and development.
C)  reproduction.
D)  biological evolution.
E)  organization.F) C) and D)
G) A) and B)

Question 6

A scientist isolates a single celled organism from the bottom of a sulfur hot spring.When examined under the microscope,it is clear that the cell is very small and contains no nucleus.Based on this evidence alone,in what domain of life is this organism?

Accepted Answer

A)  Eukarya
B)  Bacteria
C)  Archaea
D)  Either bacteria or archaea
E)  It is impossible to determine anything based on this evidence aloneF) D) and E)
G) A) and B)

Question 7

All genetic mutations are harmful to an organism.

Accepted Answer

A) True 
 B)False

Question 8

An explanation for a biological process that is substantiated by a large body of evidence is called a

Accepted Answer

A)  hypothesis.
B)  theory.
C)  systems biology.
D)  reductionism.
E)  prediction.F) B) and C)
G) D) and E)

Question 9

Changes in ________ represent the predominant cause for biological evolution.

Accepted Answer

A)  homeostasis
B)  growth and development
C)  reproduction
D)  genetic makeup
E)  energyF) A) and B)
G) B) and E)

Question 10

What is a valid,testable prediction based on this hypothesis?

Accepted Answer

A)  Male crocodiles will prefer temperatures of 32 - 33 ∘\circ∘ C
B)  Incubation of any crocodile egg at 32 ∘\circ∘ C will result in a male crocodile
C)  Male eggs will hatch at 32 ∘\circ∘ C while female eggs will not hatch at 32 ∘\circ∘ C
D)  Male eggs will be more fragile than female eggs
E)  Crocodiles arrange the gender of offspring by manipulating incubation temperatures F) D) and E)
G) B) and E)

Question 11

A variety of finch species within the Hawaiian Islands have acquired different types of beaks needed for utilizing specific food resources.What is the likely process by which these different species of finches came about?

Accepted Answer

A)  vertical descent with mutation
B)  horizontal gene transfer
C)  an accumulation of harmful genetic mutationsD) A) and B)
E) A) and C)

Question 12

A researcher tests the hypothesis that large,daily doses of vitamin C help protect against catching the common cold.What would be the best experimental and control group to test this hypothesis?

Accepted Answer

A)  Experimental group: takes a large dose of vitamin C daily;Control group: takes nothing
B)  Experimental group: people with a cold are administered vitamin C daily;Control group: people without a cold are not administered vitamin C
C)  Experimental group: takes a large dose of vitamin C daily;Control group: takes a large weekly dose of vitamin C
D)  Experimental group: takes a large,daily dose of vitamin C;E) B) and C)
F) A) and D)

Question 13

The modification of a limb that was used for walking in a pre-existing ancestor to one that is used as a wing for a species today is called proteomics.

Accepted Answer

A) True 
 B)False

Question 14

Researchers find a group of crocodiles where an expanded incubation temperature gives rise to male crocodiles.This particular group of crocodiles hatch male crocodiles even with incubation temperatures as low as 29  ∘\circ∘ C.What type of scientific approach has led to this observation?

Accepted Answer

A)  Discovery-based science
B)  Hypothesis testing
C)  Theoretical testing
D)  Scientific method E) B) and C)
F) A) and D) A

Question 15

Which domain of life contains the most multicellular organisms?

Accepted Answer

A)  Archaea
B)  Bacteria
C)  Prokarya
D)  Eukarya
E)  MicroorganismsF) A) and B)
G) A) and E) D

Question 16

The complete genetic composition of an organism is called its

Accepted Answer

A)  proteome.
B)  genome.
C)  transcriptosome.
D)  phenotype.
E)  None of these choices are correct.F) B) and E)
G) B) and D)

Question 17

What is the appropriate order of stages needed to investigate whether maple trees drop their leaves in the autumn because of colder days?
(1) Maple trees are grown in 2 greenhouses where the only variable is temperature (15 ∘\circ∘ C vs.10 ∘\circ∘ C) .
(2) The hypothesis is rejected.
(3) There is no statistical difference in the number of leaves dropped at 10 ∘\circ∘ C as compared to 15 ∘\circ∘ C.
(4) The observation is that maple trees drop their leaves in autumn.
(5) The hypothesis is that maple trees drop their leaves because of colder temperatures.

Accepted Answer

A)  1,2,3,4,5
B)  3,4,5,1,2
C)  5,4,3,1,2
D)  4,5,1,3,2
E)  3,4,2,1,5 F) A) and D)
G) A) and B)

Question 18

The proteome,rather than genome,is most directly responsible for the structure,function,and appearance of organisms.

Accepted Answer

A) True 
 B)False

Question 19

If a scientist were studying the role of different proteins in the regulation of insulin secretion from a pancreatic cell,they would be studying

Accepted Answer

A)  genomics.
B)  proteomics.
C)  cell biology.
D)  both genomics and proteomics.
E)  both proteomics and cell biology.F) A) and C)
G) A) and D)

Question 20

When cells in an organism associate with each other they form

Accepted Answer

A)  atoms.
B)  molecules.
C)  macromolecules.
D)  tissues.
E)  populations.F) A) and C)
G) C) and D)

Exam 1: An Introduction to Biology

All tissues are composed of cells.

Correct Answer
verified

What is the most likely explanation for a group of crocodiles having acquired lower incubation temperatures giving rise to male crocodiles?

Correct Answer
verified

Collecting data without a specific hypothesis in mind is called

Correct Answer
verified
C

Whether the external temperature is hot or cold,birds maintain an internal body temperature of approximately 40^$\circ$C.This is an example of

Correct Answer
verified

The phenomenon through which populations of organisms change over several generations is termed

Correct Answer
verified

A scientist isolates a single celled organism from the bottom of a sulfur hot spring.When examined under the microscope,it is clear that the cell is very small and contains no nucleus.Based on this evidence alone,in what domain of life is this organism?

Correct Answer
verified

All genetic mutations are harmful to an organism.

Correct Answer
verified

An explanation for a biological process that is substantiated by a large body of evidence is called a

Correct Answer
verified

Changes in ________ represent the predominant cause for biological evolution.

Correct Answer
verified

What is a valid,testable prediction based on this hypothesis?

Correct Answer
verified

A variety of finch species within the Hawaiian Islands have acquired different types of beaks needed for utilizing specific food resources.What is the likely process by which these different species of finches came about?

Correct Answer
verified

A researcher tests the hypothesis that large,daily doses of vitamin C help protect against catching the common cold.What would be the best experimental and control group to test this hypothesis?

Correct Answer
verified

The modification of a limb that was used for walking in a pre-existing ancestor to one that is used as a wing for a species today is called proteomics.

Correct Answer
verified

Researchers find a group of crocodiles where an expanded incubation temperature gives rise to male crocodiles.This particular group of crocodiles hatch male crocodiles even with incubation temperatures as low as 29 ^$\circ$C.What type of scientific approach has led to this observation?

Correct Answer
verified
A

Which domain of life contains the most multicellular organisms?

Correct Answer
verified
D

The complete genetic composition of an organism is called its

Correct Answer
verified

Correct Answer
verified

The proteome,rather than genome,is most directly responsible for the structure,function,and appearance of organisms.

Correct Answer
verified

If a scientist were studying the role of different proteins in the regulation of insulin secretion from a pancreatic cell,they would be studying

Correct Answer
verified

When cells in an organism associate with each other they form

Correct Answer
verified

Exam 1: An Introduction to Biology

All tissues are composed of cells.

Correct AnswerverifiedShow Answer

What is the most likely explanation for a group of crocodiles having acquired lower incubation temperatures giving rise to male crocodiles?

Correct AnswerverifiedShow Answer

Collecting data without a specific hypothesis in mind is called

Correct AnswerverifiedC

Whether the external temperature is hot or cold,birds maintain an internal body temperature of approximately 40 ∘\circ∘ C.This is an example of

Correct AnswerverifiedShow Answer

The phenomenon through which populations of organisms change over several generations is termed

Correct AnswerverifiedShow Answer

A scientist isolates a single celled organism from the bottom of a sulfur hot spring.When examined under the microscope,it is clear that the cell is very small and contains no nucleus.Based on this evidence alone,in what domain of life is this organism?

Correct AnswerverifiedShow Answer

All genetic mutations are harmful to an organism.

Correct AnswerverifiedShow Answer

An explanation for a biological process that is substantiated by a large body of evidence is called a

Correct AnswerverifiedShow Answer

Changes in ________ represent the predominant cause for biological evolution.

Correct AnswerverifiedShow Answer

What is a valid,testable prediction based on this hypothesis?

Correct AnswerverifiedShow Answer

A variety of finch species within the Hawaiian Islands have acquired different types of beaks needed for utilizing specific food resources.What is the likely process by which these different species of finches came about?

Correct AnswerverifiedShow Answer

A researcher tests the hypothesis that large,daily doses of vitamin C help protect against catching the common cold.What would be the best experimental and control group to test this hypothesis?

Correct AnswerverifiedShow Answer

The modification of a limb that was used for walking in a pre-existing ancestor to one that is used as a wing for a species today is called proteomics.

Correct AnswerverifiedShow Answer

Researchers find a group of crocodiles where an expanded incubation temperature gives rise to male crocodiles.This particular group of crocodiles hatch male crocodiles even with incubation temperatures as low as 29 ∘\circ∘ C.What type of scientific approach has led to this observation?

Correct AnswerverifiedA

Which domain of life contains the most multicellular organisms?

Correct AnswerverifiedD

The complete genetic composition of an organism is called its

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The proteome,rather than genome,is most directly responsible for the structure,function,and appearance of organisms.

Correct AnswerverifiedShow Answer

If a scientist were studying the role of different proteins in the regulation of insulin secretion from a pancreatic cell,they would be studying

Correct AnswerverifiedShow Answer

When cells in an organism associate with each other they form

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Whether the external temperature is hot or cold,birds maintain an internal body temperature of approximately 40^$\circ$C.This is an example of

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Researchers find a group of crocodiles where an expanded incubation temperature gives rise to male crocodiles.This particular group of crocodiles hatch male crocodiles even with incubation temperatures as low as 29 ^$\circ$C.What type of scientific approach has led to this observation?

Correct Answer
verified
A

Correct Answer
verified
D

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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