Question 1

Complementary base pairing

Accepted Answer

A)  does not take place in RNA. 
B)  takes place between two purine bases. 
C)  takes place between purine and pyrimidine bases. 
D)  results in the formation of the double helix of RNA. 
E)  takes place between the bases and the phosphates in the backbone of the chain. 
A)  does not take place in RNA. 
B)  takes place between two purine bases. 
C)  takes place between purine and pyrimidine bases. 
D)  results in the formation of the double helix of RNA. 
E)  takes place between the bases and the phosphates in the backbone of the chain. C

Question 2

Examination of meteorites has revealed that they contain the chemistry of life. All of the following have been found in meteorites except

Accepted Answer

A)  purines and pyrimidines. 
B)  amino acids. 
C)  glucose. 
D)  magnetite. 
E)  polycyclic aromatic hydrocarbons. 
A)  purines and pyrimidines. 
B)  amino acids. 
C)  glucose. 
D)  magnetite. 
E)  polycyclic aromatic hydrocarbons. C

Question 3

Consider the following double-stranded DNA region: 
TGCCAT
ACGGTA
If the lower strand is transcribed, which of the following strands will result?

Accepted Answer

A)  TGCCAT 
B)  TCGGTA 
C)  UGCCAU 
D)  UGCCUA 
E)  TCGGUT 
A)  TGCCAT 
B)  TCGGTA 
C)  UGCCAU 
D)  UGCCUA 
E)  TCGGUT A

Question 4

The difference between nucleotides and nucleosides is a(n) _______.

Accepted Answer

The answer of The difference between nucleotides and nucleosides is...

Question 5

Evidence to support that life may have come from outside Earth includes the presence of simple carbon- containing molecules called _______ in meteorites.

Accepted Answer

polycyclic

Question 6

The experiment depicted in the diagram below proves that

Accepted Answer

A)  amino acids are the building blocks of life. 
B)  some forms of life can arise by spontaneous generation. 
C)  oxygen is needed for life. 
D)  life comes from decaying matter. 
E)  life comes from preexisting life. 
A)  amino acids are the building blocks of life. 
B)  some forms of life can arise by spontaneous generation. 
C)  oxygen is needed for life. 
D)  life comes from decaying matter. 
E)  life comes from preexisting life.

Question 7

According to the principle of complementary base pairing, purines always pair with

Accepted Answer

A)  deoxyribose sugars. 
B)  uracil. 
C)  pyrimidines. 
D)  adenine. 
E)  guanine. 
A)  deoxyribose sugars. 
B)  uracil. 
C)  pyrimidines. 
D)  adenine. 
E)  guanine.

Question 8

All of the major building blocks of macromolecules were made in Miller-Urey prebiotic synthesis experiments except

Accepted Answer

A)  amino acids. 
B)  hexose sugars. 
C)  bases for nucleotides. 
D)  fatty acids. 
E)  ribose. 
A)  amino acids. 
B)  hexose sugars. 
C)  bases for nucleotides. 
D)  fatty acids. 
E)  ribose.

Question 9

If you were to transcribe both strands of the DNA sequence below, what would be the two RNA sequences?
AAGCGTC
TTCGCAG

Accepted Answer

RNA sequence for top

Question 10

The sequences of DNA that encode specific proteins and are transcribed into RNA are called _______.

Accepted Answer

The answer of The sequences of DNA that encode specific...

Question 11

"Protocells" made in the lab can

Accepted Answer

A)  reproduce by division. 
B)  replicate a short nucleic acid chain. 
C)  respire. 
D)  carry out metabolic reactions. 
E)  make ATP. 
A)  reproduce by division. 
B)  replicate a short nucleic acid chain. 
C)  respire. 
D)  carry out metabolic reactions. 
E)  make ATP.

Question 12

The process by which DNA makes an RNA transcript of itself is called _______.

Accepted Answer

The answer of The process by which DNA makes an...

Question 13

DNA replication, transcription, and translation are all part of the concept of

Accepted Answer

A)  hydrolysis. 
B)  the "central dogma." 
C)  the genome. 
D)  nucleic acids. 
E)  the double helix. 
A)  hydrolysis. 
B)  the "central dogma." 
C)  the genome. 
D)  nucleic acids. 
E)  the double helix.

Question 14

Life from inanimate matter is referred to as _______.

Accepted Answer

spontaneou

Question 15

The components in the atmosphere for the Miller-Urey experiment on prebiotic synthesis did not include

Accepted Answer

A)  H2. 
B)  H2O. 
C)  O2. 
D)  NH3. 
E)  CH4. 
A)  H2. 
B)  H2O. 
C)  O2. 
D)  NH3. 
E)  CH4.

Question 16

What is the "central dogma" of molecular biology?

Accepted Answer

The "central dogma" of molecular biology

Question 17

Which of the following were not synthesized in the experiments conducted by Miller and Urey?

Accepted Answer

A)  Uracil 
B)  Amino acids 
C)  6-carbon sugars 
D)  3-carbon sugars 
E)  5-carbon sugars 
A)  Uracil 
B)  Amino acids 
C)  6-carbon sugars 
D)  3-carbon sugars 
E)  5-carbon sugars

Question 18

The difference between nucleosides and nucleotides is

Accepted Answer

A)  only nucleotides have nitrogenous bases. 
B)  a phosphate groups is found in nucleotides but not in nucleosides. 
C)  nucleotides have the pentose sugar ribose while nucleosides have the pentose sugar deoxyribose. 
D)  in nucleosides the monomers are joined by phosphodiester bonds; in nucleotides the monomers are joined by hydrogen bonds. 
E)  nucleosides are the monomers of DNA; nucleotides are the monomers of RNA. 
A)  only nucleotides have nitrogenous bases. 
B)  a phosphate groups is found in nucleotides but not in nucleosides. 
C)  nucleotides have the pentose sugar ribose while nucleosides have the pentose sugar deoxyribose. 
D)  in nucleosides the monomers are joined by phosphodiester bonds; in nucleotides the monomers are joined by hydrogen bonds. 
E)  nucleosides are the monomers of DNA; nucleotides are the monomers of RNA.

Question 19

Single-stranded RNA can fold on itself, creating three-dimensional structures such as tRNA. The folds are stabilized by _______ bonds.

Accepted Answer

A)  hydrogen 
B)  ionic 
C)  phosphodiester 
D)  peptide 
E)  glycosidic 
A)  hydrogen 
B)  ionic 
C)  phosphodiester 
D)  peptide 
E)  glycosidic

Question 20

Prebiotic, water-filled structures that are defined by a lipid bilayer are known as

Accepted Answer

A)  lipases. 
B)  protocells. 
C)  genomes. 
D)  neocells. 
E)  lipocells. 
A)  lipases. 
B)  protocells. 
C)  genomes. 
D)  neocells. 
E)  lipocells.

Exam 4: Nucleic Acids and the Origin of Life

Complementary base pairing

Examination of meteorites has revealed that they contain the chemistry of life. All of the following have been found in meteorites except

Consider the following double-stranded DNA region: TGCCAT ACGGTA If the lower strand is transcribed, which of the following strands will result?

The difference between nucleotides and nucleosides is a(n) _______.

Evidence to support that life may have come from outside Earth includes the presence of simple carbon- containing molecules called _______ in meteorites.

The experiment depicted in the diagram below proves that

According to the principle of complementary base pairing, purines always pair with

All of the major building blocks of macromolecules were made in Miller-Urey prebiotic synthesis experiments except

If you were to transcribe both strands of the DNA sequence below, what would be the two RNA sequences? AAGCGTC TTCGCAG

The sequences of DNA that encode specific proteins and are transcribed into RNA are called _______.

"Protocells" made in the lab can

The process by which DNA makes an RNA transcript of itself is called _______.

DNA replication, transcription, and translation are all part of the concept of

Life from inanimate matter is referred to as _______.

The components in the atmosphere for the Miller-Urey experiment on prebiotic synthesis did not include

What is the "central dogma" of molecular biology?

Which of the following were not synthesized in the experiments conducted by Miller and Urey?

The difference between nucleosides and nucleotides is

Single-stranded RNA can fold on itself, creating three-dimensional structures such as tRNA. The folds are stabilized by _______ bonds.

Prebiotic, water-filled structures that are defined by a lipid bilayer are known as

Studying Life

Small Molecules and the Chemistry of Life

Proteins, Carbohydrates, and Lipids

Cells: the Working Units of Life

Cell Membranes

Cell Signaling and Communication

Energy, Enzymes, and Metabolism

Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

Dna and Its Role in Heredity

From Dna to Protein: Gene Expression

Gene Mutation and Molecular Medicine

Regulation of Gene Expression

Genomes

Recombinent Dna and Biotechnology

Differential Gene Expression in Development

Development and Evolutionary Change

Evidence and Mechanisms of Evolution

Reconstructing and Using Phylogenies

Species and Their Formation

Evolution of Genes and Genomes

The History of Life on Earth

Bacteria and Archaea: the Prokaryotic Domains

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

The Evolution of Seed Plants

Fungi: Recyclers, Pathogens, Parasites, and Plant Partners

Animal Origins and the Evolution of Body Plans

Protostome Animals

Deuterostome Animals

The Plant Body

Transport in Plants

Plant Nutrition

Regulation of Plant Growth

Reproduction in Flowering Plants

Plant Responses to Environmental Challenges

Physiology, Homeostasis, and Temperature Regulation

Animal Hormones

Immunology: Animal Defense Systems

Animal Reproduction

Animal Development

Neurons and Nervous Systems

Sensory Systems

The Mammalian Nervous System: Structure and Higher Function

Musculoskeletal Systems

Gas Exchange in Animals

Circulatory Systems

Nutrition, Digestion, and Absorption

Salt and Water Balance and Nitrogen

Animal Behavior

Ecology and the Distribution of Life

Population Ecology

Species Interaction and Coevolution

Community Ecology

Ecosystems and Global Ecology

Conservation Biology

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