Question 1

Miller's apparatus synthesized

Accepted Answer

A)   ammonia.
B)   amino acids.
C)   carbon dioxide.
D)   DNA.E) B) and C)
F) None of the above

Question 2

Stanley Miller's experiment

Accepted Answer

A)   proved the origin of life.
B)   demonstrated that complex organic molecules might have been formed on primitive Earth.
C)   showed how energy created life.
D)   disputed the Oparin hypothesis.E) A) and C)
F) All of the above B

Question 3

Redi concluded from his experiment that

Accepted Answer

A)   maggots arise from decaying meat.
B)   air is a "vital element" necessary for spontaneous generation.
C)   living things arise from other living things.
D)   microorganisms are present in the air.E) All of the above
F) A) and D)

Question 4

Currently ____________ is/are thought to have been the genetic material of the earliest cells.

Accepted Answer

A)   proteins
B)   DNA
C)   RNA
D)   amino acidsE) None of the above
F) A) and B)

Question 5

In the origin and development of the major types of living things, which of the following is necessary before any of the other events could take place?

Accepted Answer

A)   Photosynthesis
B)   Aerobic respiration
C)   The formation of organic molecules
D)   The formation of cellsE) A) and D)
F) A) and C)

Question 6

All of the following support the idea that RNA may have been the first genetic material EXCEPT?

Accepted Answer

A)   There are viruses that use RNA as genetic material.
B)   RNA is a simpler molecule than DNA.
C)   RNA does not mutate.
D)   RNA has been shown to be able to make copies of itself.E) A) and D)
F) None of the above

Question 7

The spontaneous formation of organic molecules does not happen today because they are

Accepted Answer

A)   consumed by organisms or oxidized to simpler inorganic compounds in the atmosphere.
B)   destroyed by the increase in harmful radiation coming through holes in the ozone layer.
C)   unable to form because of a lack of sufficient internal energy.
D)   photosynthesis is all that is required.E) C) and D)
F) None of the above

Question 8

The oldest fossils are about ________ billion years old.

Accepted Answer

A)   1.8
B)   3.5
C)   13
D)   0.5E) All of the above
F) A) and C)

Question 9

The first terrestrial organisms are found in the fossil record at about _______ million years ago.

Accepted Answer

A)   4
B)   40
C)   400
D)   4000E) A) and C)
F) A) and B)

Question 10

The oldest fossils of eukaryotic cells are about ________ years old.

Accepted Answer

A)   1.8 billion
B)   3.5 billion
C)   500 million
D)   100 millionE) A) and B)
F) A) and C)

Question 11

Early in the 1900s, Svante Arrhenius proposed the concept of

Accepted Answer

A)   panspermia.
B)   spontaneous generation.
C)   autotroph theory.
D)   endosymbiosis.E) C) and D)
F) A) and D)

Question 12

Which of the following supports the idea that eukaryotic cells were formed by the joining of different kinds of prokaryotic cells?

Accepted Answer

A)   Plants have cell walls.
B)   Mitochondria carry on photosynthesis.
C)   Chloroplasts contain DNA.
D)   Animal cells have mitochondria.E) A) and D)
F) B) and C)

Question 13

Microspheres

Accepted Answer

A)   have a boundary membrane.
B)   are formed from heating protein-like molecules
C)   contain macromolecules.
D)   All of these answers are correct.E) B) and D)
F) A) and C)

Question 14

If oxygen had been present at the beginning of organic evolution, one hypothesis suggests that

Accepted Answer

A)   evolution would have been speeded up.
B)   evolution would have been speeded up only for plants.
C)   no change would be noted.
D)   life would not have evolved.E) A) and B)
F) B) and D) D

Question 15

When we speculate about the origin of life from inorganic material it seems logical that several events or steps were necessary. Which of the following is not a part of these ideas?

Accepted Answer

A)   Organic molecules must first be formed from inorganic molecules.
B)   Basic organic molecules form RNA that can serve as the genetic material and catalyze other reactions.
C)   RNA becomes self-replicating.
D)   The inorganic molecules must be collected together and segregated from other molecules by a membrane.E) A) and C)
F) A) and D)

Question 16

When comparing primitive Earth to modern Earth, we note that

Accepted Answer

A)   primitive Earth had more ozone.
B)   modern Earth has more ultraviolet light.
C)   modern Earth is cooler.
D)   there is less oxygen on modern Earth.E) B) and C)
F) All of the above

Question 17

According to the endosymbiotic theory, ___________ evolved from free-living prokaryotic cells.

Accepted Answer

A)   nucleoli
B)   mitochondria
C)   ribosomes
D)   Golgi bodiesE) A) and C)
F) All of the above

Question 18

In order for macromolecules to form, smaller molecules must be concentrated. All of the following have been proposed as ways for concentrating organic molecules EXCEPT?

Accepted Answer

A)   Organic molecules could have collected on the surface of clay particles.
B)   Organic molecules could have been concentrated when they were trapped in small basins and the water evaporated.
C)   Organic molecules could have made copies of themselves and this resulted in concentrations of molecules.
D)   Organic molecules could have been concentrated when water froze.E) A) and D)
F) B) and C) C

Question 19

Oparin's theory of the origin of life on Earth was supported, in part, by an experiment performed by

Accepted Answer

A)   Oparin.
B)   Pasteur.
C)   Stanley Miller.
D)   Spallanzani.E) A) and B)
F) A) and C)

Question 20

The first photosynthetic organisms probably

Accepted Answer

A)   lived in the ocean.
B)   were prokaryotic.
C)   were cyanobacteria.
D)   All of these answers are correct.E) B) and D)
F) C) and D)

Exam 19: The Origin of Life and the Evolution of Cells

Miller's apparatus synthesized

Correct AnswerverifiedShow Answer

Stanley Miller's experiment

Correct AnswerverifiedB

Redi concluded from his experiment that

Correct AnswerverifiedShow Answer

Currently ____________ is/are thought to have been the genetic material of the earliest cells.

Correct AnswerverifiedShow Answer

In the origin and development of the major types of living things, which of the following is necessary before any of the other events could take place?

Correct AnswerverifiedShow Answer

All of the following support the idea that RNA may have been the first genetic material EXCEPT?

Correct AnswerverifiedShow Answer

The spontaneous formation of organic molecules does not happen today because they are

Correct AnswerverifiedShow Answer

The oldest fossils are about ________ billion years old.

Correct AnswerverifiedShow Answer

The first terrestrial organisms are found in the fossil record at about _______ million years ago.

Correct AnswerverifiedShow Answer

The oldest fossils of eukaryotic cells are about ________ years old.

Correct AnswerverifiedShow Answer

Early in the 1900s, Svante Arrhenius proposed the concept of

Correct AnswerverifiedShow Answer

Which of the following supports the idea that eukaryotic cells were formed by the joining of different kinds of prokaryotic cells?

Correct AnswerverifiedShow Answer

Microspheres

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If oxygen had been present at the beginning of organic evolution, one hypothesis suggests that

Correct AnswerverifiedD

When we speculate about the origin of life from inorganic material it seems logical that several events or steps were necessary. Which of the following is not a part of these ideas?

Correct AnswerverifiedShow Answer

When comparing primitive Earth to modern Earth, we note that

Correct AnswerverifiedShow Answer

According to the endosymbiotic theory, ___________ evolved from free-living prokaryotic cells.

Correct AnswerverifiedShow Answer

In order for macromolecules to form, smaller molecules must be concentrated. All of the following have been proposed as ways for concentrating organic molecules EXCEPT?

Correct AnswerverifiedC

Oparin's theory of the origin of life on Earth was supported, in part, by an experiment performed by

Correct AnswerverifiedShow Answer

The first photosynthetic organisms probably

Correct AnswerverifiedShow Answer

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B

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D

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C

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