Question 1

Which one of the following statements about endosymbiosis and the origin of the eukaryotic cell is false?

Accepted Answer

A)  Mitochondria are the descendants of purple nonsulfur bacteriA.
B)  The chloroplasts of red and green alga are the descendants of cyanobacteria.
C)  The brown algae acquired their chloroplasts by engulfing a prokaryotic cell with chloroplasts.
D)  Not all compartments of the eukaryotic cell are derived from the endomembrane system.
E)  Ultimately,both the chloroplast and the mitochondria of eukaryotes are descendants of prokaryotic cells.F) A) and B)
G) A) and C)

Question 2

The apparatus in the figure was used by Stanley Miller and Harold Urey to study the origin of life on Earth.The presence of what compound in chamber B in the apparatus will prevent the accumulation of simple organic molecules in compartment A? 2 B) O2 C) NH3 D) H2 E) H2O" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  CO2
B)  O2
C)  NH3
D)  H2
E)  H2OF) A) and C)
G) B) and C)

Question 3

One day while Dr.Rogers was working in his taxonomic laboratory,a package arrived with the following label: "Beware,the contents of this package contains a eukaryotic,multicellular,nonmotile,nonphotosynthetic life form.Open with extreme caution." Dr.Rogers quickly closed the doors and windows of his laboratory and opened the package.To which kingdom of life could this life form belong?

Accepted Answer

A)  Archaebacteria
B)  Animalia
C)  Fungi
D)  Plantae
E)  ProtistaF) B) and C)
G) D) and E)

Question 4

The highest (most inclusive)unit of biological classification is called ________________.

Accepted Answer

The answer of The highest (most inclusive)unit of biological classification...

Question 5

Annelids and arthropods were thought to be closely related in one sense because of the character of segmentation.Molecular data has recently shown that

Accepted Answer

A)  segmentation evolved separately in these two groups.
B)  arthropods and roundworms are more closely related.
C)  annelids are more closely related to flatworms and mollusks.
D)  annelids and arthropods have been evolving separately for a long time.E) A) and D)
F) B) and C)

Question 6

Which of the following was demonstrated by the Miller-Urey experiment?

Accepted Answer

A)  Life began in the oceans.
B)  Life can be started experimentally in the laboratory.
C)  Organic molecules important to life could have been formed from a vast array of simple chemicals.
D)  Life began on the pre-biotic Earth 3.5 billion years ago.E) A) and B)
F) B) and D)

Question 7

In the original experiments by Stanley Miller and Harold Urey to synthesize organic molecules in an abiotic environment,which one of the following would you not expect to find in the collection flask?

Accepted Answer

A)  urea
B)  amino acids
C)  ATP
D)  adenine
E)  formaldehydeF) None of the above
G) All of the above

Question 8

Urey and Miller,using a sterile container with boiling water,a reducing atmosphere,an electric spark,and a condenser,were able to determine that

Accepted Answer

A)  RNA was most likely to be a hereditary molecule in early lifeforms.
B)  simple lipid vesicles would form spontaneously.
C)  all life on earth seems to share a common ancestor.
D)  simple lifeforms would form under these conditions.
E)  some of the organic compounds needed for life could be formed abiotically.F) B) and E)
G) None of the above

Question 9

Which one of the following statements about the classification of annelids and arthropods is false?

Accepted Answer

A)  Annelids and arthropods are protostomes.
B)  The lophotrochozoans and the ecdysozoans are sister clades within the Protostomia.
C)  Segmentation is an ancestral trait for the protostomes.
D)  One role of the Hox gene family is to regulate segmentation.
E)  Segmentation arose independently in the Deuterostomia.F) C) and E)
G) C) and D)

Question 10

Kingdom Protista can be described as

Accepted Answer

A)  monophyletic.
B)  paraphyletic.
C)  symphyletiC.
D)  phylogenetic.
E)  polyphyletic.F) A) and C)
G) A) and E) B

Question 11

In that any one group fits within a more inclusive group,the biological classification systems are

Accepted Answer

A)  evolutionary.
B)  hierarchical.
C)  inclusive.
D)  numerical.
E)  programmed.F) C) and E)
G) None of the above

Question 12

The names of genera were the basic point of reference in _____________ systems.

Accepted Answer

The answer of The names of genera were the basic...

Question 13

Life apparently originated on Earth about

Accepted Answer

A)  1 million years ago.
B)  6000 years ago.
C)  4.5 billion years ago.
D)  8 billion years ago.
E)  3.5 billion years ago.F) B) and D)
G) C) and E)

Question 14

The name of an organism according to the binomial system developed by Linnaeus includes both the genus and the _______.

Accepted Answer

The answer of The name of an organism according to...

Question 15

Which statement is an accurate description of the characteristics found in the examples below that relate to the three Domains of life?

Accepted Answer

A)  Archaea and Eukarya share the characteristic of membrane bound organelles.
B)  Bacteria and Archaea share the characteristic of nuclear envelope.
C)  Eukarya and Bacteria share the characteristic of membrane bound organelles.
D)  Archaea and Eukarya share the characteristic of growth not inhibited by streptomycin and chloramphenicol.
E)  Archaea and Bacteria share the characteristic of branched membrane lipid structurE.F) B) and E)
G) B) and D)

Question 16

Kingdom ____________would include green algae and land plants.

Accepted Answer

A)  Chloroplantae
B)  Plantae
C)  Chloroprotista
D)  Viridiplantae
E)  ChlorophytaF) B) and E)
G) A) and E)

Question 17

All living organisms possess the following features except

Accepted Answer

A)  photosynthesis.
B)  cellular organization.
C)  growth and metabolism.
D)  reproduction and heredity.
E)  homeostasis.F) A) and E)
G) All of the above

Question 18

The early atmospheric condition of primitive Earth was thought to contain ample hydrogen atoms which was conducive to bond formation and is referred to as a ___________ atmosphere.

Accepted Answer

The answer of The early atmospheric condition of primitive Earth...

Question 19

A scientist is studying endosymbiosis in cells.This means she is investigating

Accepted Answer

A)  how mitochondria and chloroplasts were derived from eukaryotic cells.
B)  how mitochondria and chloroplasts were derived from prokaryotic cells.
C)  how mitochondria and chloroplasts evolved into eukaryotic cells.
D)  how mitochondria and chloroplasts evolved into prokaryotic cells.
E)  how mitochondria but not chloroplasts evolved into prokaryotic cells.F) All of the above
G) A) and B) B

Question 20

Two principal organelles of eukaryotes that share features with one another and with bacteria from which they apparently were derived are the

Accepted Answer

A)  flagella and ciliA.
B)  microfilaments and microtubules.
C)  mitochondria and chloroplasts.
D)  rough ER and smooth ER.
E)  plasma membrane and nuclear membranE.F) A) and E)
G) C) and E) C

Exam 26: The Tree of Life

Which one of the following statements about endosymbiosis and the origin of the eukaryotic cell is false?

Correct Answer
verified

The apparatus in the figure was used by Stanley Miller and Harold Urey to study the origin of life on Earth.The presence of what compound in chamber B in the apparatus will prevent the accumulation of simple organic molecules in compartment A?

Correct Answer
verified

Correct Answer
verified

The highest (most inclusive)unit of biological classification is called ________________.

Correct Answer
verified

Annelids and arthropods were thought to be closely related in one sense because of the character of segmentation.Molecular data has recently shown that

Correct Answer
verified

Which of the following was demonstrated by the Miller-Urey experiment?

Correct Answer
verified

In the original experiments by Stanley Miller and Harold Urey to synthesize organic molecules in an abiotic environment,which one of the following would you not expect to find in the collection flask?

Correct Answer
verified

Urey and Miller,using a sterile container with boiling water,a reducing atmosphere,an electric spark,and a condenser,were able to determine that

Correct Answer
verified

Which one of the following statements about the classification of annelids and arthropods is false?

Correct Answer
verified

Kingdom Protista can be described as

Correct Answer
verified
B

In that any one group fits within a more inclusive group,the biological classification systems are

Correct Answer
verified

The names of genera were the basic point of reference in _____________ systems.

Correct Answer
verified

Life apparently originated on Earth about

Correct Answer
verified

The name of an organism according to the binomial system developed by Linnaeus includes both the genus and the _______.

Correct Answer
verified

Which statement is an accurate description of the characteristics found in the examples below that relate to the three Domains of life?

Correct Answer
verified

Kingdom ____________would include green algae and land plants.

Correct Answer
verified

All living organisms possess the following features except

Correct Answer
verified

The early atmospheric condition of primitive Earth was thought to contain ample hydrogen atoms which was conducive to bond formation and is referred to as a ___________ atmosphere.

Correct Answer
verified

A scientist is studying endosymbiosis in cells.This means she is investigating

Correct Answer
verified
B

Two principal organelles of eukaryotes that share features with one another and with bacteria from which they apparently were derived are the

Correct Answer
verified
C

Exam 26: The Tree of Life

Which one of the following statements about endosymbiosis and the origin of the eukaryotic cell is false?

Correct AnswerverifiedShow Answer

The apparatus in the figure was used by Stanley Miller and Harold Urey to study the origin of life on Earth.The presence of what compound in chamber B in the apparatus will prevent the accumulation of simple organic molecules in compartment A?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The highest (most inclusive)unit of biological classification is called ________________.

Correct AnswerverifiedShow Answer

Annelids and arthropods were thought to be closely related in one sense because of the character of segmentation.Molecular data has recently shown that

Correct AnswerverifiedShow Answer

Which of the following was demonstrated by the Miller-Urey experiment?

Correct AnswerverifiedShow Answer

In the original experiments by Stanley Miller and Harold Urey to synthesize organic molecules in an abiotic environment,which one of the following would you not expect to find in the collection flask?

Correct AnswerverifiedShow Answer

Urey and Miller,using a sterile container with boiling water,a reducing atmosphere,an electric spark,and a condenser,were able to determine that

Correct AnswerverifiedShow Answer

Which one of the following statements about the classification of annelids and arthropods is false?

Correct AnswerverifiedShow Answer

Kingdom Protista can be described as

Correct AnswerverifiedB

In that any one group fits within a more inclusive group,the biological classification systems are

Correct AnswerverifiedShow Answer

The names of genera were the basic point of reference in _____________ systems.

Correct AnswerverifiedShow Answer

Life apparently originated on Earth about

Correct AnswerverifiedShow Answer

The name of an organism according to the binomial system developed by Linnaeus includes both the genus and the _______.

Correct AnswerverifiedShow Answer

Which statement is an accurate description of the characteristics found in the examples below that relate to the three Domains of life?

Correct AnswerverifiedShow Answer

Kingdom ____________would include green algae and land plants.

Correct AnswerverifiedShow Answer

All living organisms possess the following features except

Correct AnswerverifiedShow Answer

The early atmospheric condition of primitive Earth was thought to contain ample hydrogen atoms which was conducive to bond formation and is referred to as a ___________ atmosphere.

Correct AnswerverifiedShow Answer

A scientist is studying endosymbiosis in cells.This means she is investigating

Correct AnswerverifiedB

Two principal organelles of eukaryotes that share features with one another and with bacteria from which they apparently were derived are the

Correct AnswerverifiedC

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B

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B

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C