Question 1

Four of thfivanswers listebelow armembers of thsamgroup.Select thEXCEPTION.

Accepted Answer

A) archaea 
B) protozoans 
C) ciliates 
D) dinoflagellates 
E) euglenoids 
A) archaea 
B) protozoans 
C) ciliates 
D) dinoflagellates 
E) euglenoids

Question 2

When a virus takes over thmachinery of a cell, it forces thcell to manufacture

Accepted Answer

A) more mitochondria for energy for the virus. 
B) more liposome to isolate itself from water. 
C) more food particles. 
D) more viral particles. 
E) more Golgi bodies so that the cell will secrete the excess viruses. 
A) more mitochondria for energy for the virus. 
B) more liposome to isolate itself from water. 
C) more food particles. 
D) more viral particles. 
E) more Golgi bodies so that the cell will secrete the excess viruses.

Question 3

Thhuman immunodeficiency virus may infect

Accepted Answer

A) sperm cells. 
B) white blood cells. 
C) purple blood cells. 
D) red blood cells. 
E) egg cells. 
A) sperm cells. 
B) white blood cells. 
C) purple blood cells. 
D) red blood cells. 
E) egg cells.

Question 4

Four of thfivanswers listebelow hava common relationship.Select thEXCEPTION.

Accepted Answer

A) protists 
B) plants 
C) animals 
D) fungi 
E) methanogens 
A) protists 
B) plants 
C) animals 
D) fungi 
E) methanogens

Question 5

ThbacteriuE.coli

Accepted Answer

A) is a normal inhabitant of the mammalian gut. 
B) has some mutant strains that produce toxins and cause disease. 
C) is grown in laboratories around the world. 
D) produces vitamin K. 
E) has all of these characteristics. 
A) is a normal inhabitant of the mammalian gut. 
B) has some mutant strains that produce toxins and cause disease. 
C) is grown in laboratories around the world. 
D) produces vitamin K. 
E) has all of these characteristics.

Question 6

Bacillus infernus is a bacterial species that may bfounliving

Accepted Answer

A) at 75°C (167°F) on rocks 3 kilometers beneath earth's surface. 
B) in our vegetables. 
C) in glaciers. 
D) at 37°C in our body. 
E) in all of these locations. 
A) at 75°C (167°F) on rocks 3 kilometers beneath earth's surface. 
B) in our vegetables. 
C) in glaciers. 
D) at 37°C in our body. 
E) in all of these locations.

Question 7

Prokaryotic cells may

Accepted Answer

A) feed on animals and plants. 
B) make their own food using light (as a source of energy), inorganic carbon, and water. 
C) get their energy and carbon by breaking down organic compounds obtained from other organisms. 
D) remove electrons from inorganic substances. 
E) do all of these. 
A) feed on animals and plants. 
B) make their own food using light (as a source of energy), inorganic carbon, and water. 
C) get their energy and carbon by breaking down organic compounds obtained from other organisms. 
D) remove electrons from inorganic substances. 
E) do all of these.

Question 8

Which of thfollowing allow thbacteria to join together to transfer genes?

Accepted Answer

A) flagella 
B) spores 
C) fimbriae 
D) pili 
E) cilia 
A) flagella 
B) spores 
C) fimbriae 
D) pili 
E) cilia

Question 9

Thearliest animals appeareabout __________ years ago.

Accepted Answer

A) 2,700,000,000 
B) 570,000,000 
C) 36,000,000,000 
D) 750,000,000 
E) 15,000,000 
A) 2,700,000,000 
B) 570,000,000 
C) 36,000,000,000 
D) 750,000,000 
E) 15,000,000

Question 10

Which of thfollowing organisms sharespacwith thfirst animals?

Accepted Answer

A) bacteria 
B) archaeans 
C) fungi 
D) protists 
E) all of these 
A) bacteria 
B) archaeans 
C) fungi 
D) protists 
E) all of these

Question 11

Which of thfollowing statements is truof foraminiferans?

Accepted Answer

A) Most foraminiferans live on the sea floor. 
B) Foraminiferans are single-celled predators. 
C) The planktonic foraminiferans often have photosynthetic protists living in their cytoplasm. 
D) Foraminiferans secrete a shell containing calcium carbonate. 
E) All of these are true of foraminiferans. 
A) Most foraminiferans live on the sea floor. 
B) Foraminiferans are single-celled predators. 
C) The planktonic foraminiferans often have photosynthetic protists living in their cytoplasm. 
D) Foraminiferans secrete a shell containing calcium carbonate. 
E) All of these are true of foraminiferans.

Question 12

Which of thfollowing diseases has been eradicatefrothUnites States?

Accepted Answer

A) malaria 
B) tuberculosis 
C) AIDS 
D) herpes infection 
E) pneumonia 
A) malaria 
B) tuberculosis 
C) AIDS 
D) herpes infection 
E) pneumonia

Question 13

Which of thfollowing coulbcalle"pathogen"?

Accepted Answer

A) viruses 
B) bacteria 
C) protozoans 
D) viruses and bacteria only because they are alive 
E) viruses, bacteria, and protozoans 
A) viruses 
B) bacteria 
C) protozoans 
D) viruses and bacteria only because they are alive 
E) viruses, bacteria, and protozoans

Question 14

Thfirst organisms

Accepted Answer

A) had to be autotrophic. 
B) were parasitic. 
C) obtained energy by anaerobic pathways. 
D) were aerobes. 
E) had all of these characteristics. 
A) had to be autotrophic. 
B) were parasitic. 
C) obtained energy by anaerobic pathways. 
D) were aerobes. 
E) had all of these characteristics.

Question 15

Which of thfollowing statements is NOT characteristic of bacteria?

Accepted Answer

A) Some have no plasma membrane. 
B) Some have hair-like structures called pili. 
C) Some have rigid cell walls. 
D) Some have flagella. 
E) Some have a capsule. 
A) Some have no plasma membrane. 
B) Some have hair-like structures called pili. 
C) Some have rigid cell walls. 
D) Some have flagella. 
E) Some have a capsule.

Question 16

Which of thfollowing sites may havbeen thsitof assembly of complex molecules of life?

Accepted Answer

A) at hydrothermal vents 
B) in meteorites 
C) at hydrothermal vents and in meteorites 
D) in shallow pools of clay-rich tidal flats 
E) at hydrothermal vents and in shallow pools of clay-rich tidal flats 
A) at hydrothermal vents 
B) in meteorites 
C) at hydrothermal vents and in meteorites 
D) in shallow pools of clay-rich tidal flats 
E) at hydrothermal vents and in shallow pools of clay-rich tidal flats

Question 17

Until which perioof timdiscientists think that molecules of lifcoulonly bproduceby living entities?

Accepted Answer

A) early 1500s 
B) late 1500s 
C) early 1600s 
D) late 1600s 
E) early 1800s 
A) early 1500s 
B) late 1500s 
C) early 1600s 
D) late 1600s 
E) early 1800s

Question 18

Which of thfollowing elements is (are) likely to providhints about earth's early atmosphere?

Accepted Answer

A) ancient rocks 
B) volcanic eruptions 
C) ancient rocks and volcanic eruptions 
D) meteorites and ancient rocks 
E) meteorites, volcanic eruptions, and ancient rocks 
A) ancient rocks 
B) volcanic eruptions 
C) ancient rocks and volcanic eruptions 
D) meteorites and ancient rocks 
E) meteorites, volcanic eruptions, and ancient rocks

Question 19

Thfirst life-relateancarbon-basemoleculwas synthesizein vitro by a German chemist.What was that molecule?

Accepted Answer

A) alanine 
B) glucose 
C) nucleotide 
D) urea 
E) DNA 
A) alanine 
B) glucose 
C) nucleotide 
D) urea 
E) DNA

Question 20

Tholdest eukaryotidentifiein fossil records is thought to havappeareabout __________ years ago.

Accepted Answer

A) 1.8 
B) 2.2 
C) 2.7 
D) 3.6 
E) 1.5 
A) 1.8 
B) 2.2 
C) 2.7 
D) 3.6 
E) 1.5

Exam 13: Early Life Forms and the Viruses

Four of thfivanswers listebelow armembers of thsamgroup.Select thEXCEPTION.

When a virus takes over thmachinery of a cell, it forces thcell to manufacture

Thhuman immunodeficiency virus may infect

Four of thfivanswers listebelow hava common relationship.Select thEXCEPTION.

ThbacteriuE.coli

Bacillus infernus is a bacterial species that may bfounliving

Prokaryotic cells may

Which of thfollowing allow thbacteria to join together to transfer genes?

Thearliest animals appeareabout __________ years ago.

Which of thfollowing organisms sharespacwith thfirst animals?

Which of thfollowing statements is truof foraminiferans?

Which of thfollowing diseases has been eradicatefrothUnites States?

Which of thfollowing coulbcalle"pathogen"?

Thfirst organisms

Which of thfollowing statements is NOT characteristic of bacteria?

Which of thfollowing sites may havbeen thsitof assembly of complex molecules of life?

Until which perioof timdiscientists think that molecules of lifcoulonly bproduceby living entities?

Which of thfollowing elements is (are) likely to providhints about earth's early atmosphere?

Thfirst life-relateancarbon-basemoleculwas synthesizein vitro by a German chemist.What was that molecule?

Tholdest eukaryotidentifiein fossil records is thought to havappeareabout __________ years ago.

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Plants and Fungi

Animal Evolutionunit

Population Ecology

Communities and Ecosystems

The Biosphere and Human Eff Ects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

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