Question 1

​Until the early 1800s, scientists believed that molecules of life could only be made _____.

Accepted Answer

A)  ​by prokaryotes 
B)  ​by organisms with RNA genomes 
C)  ​inside hydrothermal vents 
D)  ​by protocells 
E)  ​inside living organisms 
A)  ​by prokaryotes 
B)  ​by organisms with RNA genomes 
C)  ​inside hydrothermal vents 
D)  ​by protocells 
E)  ​inside living organisms

Question 2

Match the following terms with the description to which they best correspond.
-​share a common ancestor with green plants
A)amoebas
B)apicomplexan
C)dinoflagellates
D)green algae
E)red algae
F)foraminifera

Accepted Answer

The answer of Match the following terms with the description...

Question 3

Viral infections in plants often occur by the action of _____.

Accepted Answer

A)  reverse transcriptase 
B)  disease vectors 
C)  bacteriophages 
D)  viral reassortment 
E)  host-cell DNA mutations 
A)  reverse transcriptase 
B)  disease vectors 
C)  bacteriophages 
D)  viral reassortment 
E)  host-cell DNA mutations

Question 4

​Bacteria can exchange genes with other bacteria by a method called ____.

Accepted Answer

A)  ​binary fission 
B)  ​transduction 
C)  ​conjugation 
D)  ​translation 
E)  ​transformation 
A)  ​binary fission 
B)  ​transduction 
C)  ​conjugation 
D)  ​translation 
E)  ​transformation

Question 5

​The appearance of _____ on Earth due to the action of photosynthetic bacteria occurred about 2.7 billion years ago.

Accepted Answer

A)  ​water 
B)  ​carbon dioxide 
C)  ​ATP 
D)  ​oxygen 
E)  ​iron 
A)  ​water 
B)  ​carbon dioxide 
C)  ​ATP 
D)  ​oxygen 
E)  ​iron

Question 6

​Scientific evidence suggests that Earth had cooled enough for_____ to accumulate by 4.3 billion years ago.

Accepted Answer

A)  ​carbon monoxide 
B)  ​carbon dioxide 
C)  ​oxygen 
D)  ​water 
E)  ​nuclei 
A)  ​carbon monoxide 
B)  ​carbon dioxide 
C)  ​oxygen 
D)  ​water 
E)  ​nuclei

Question 7

Matching
Match the following terms with the description to which they best correspond.
-​makes its own carbohydrates
A)protist
B)prokaryote
C)photoautotroph
D)pathogen
E)protocell
F)halophile
G)strain

Accepted Answer

The answer of Matching
Match the following terms with the description...

Question 8

​Evidence supporting the lack of oxygen on early Earth includes _____.

Accepted Answer

A)  ​the presence of early photosynthesizers 
B)  ​the immediate breakdown of organic molecules 
C)  ​the lack of iron oxidation on ancient rocks 
D)  ​the presence of iron oxidation on ancient rocks 
E)  ​the accumulation of ozone 
A)  ​the presence of early photosynthesizers 
B)  ​the immediate breakdown of organic molecules 
C)  ​the lack of iron oxidation on ancient rocks 
D)  ​the presence of iron oxidation on ancient rocks 
E)  ​the accumulation of ozone

Question 9

Label the figure below showing three mechanisms of gene exchange in prokaryotic cells.   a. A 
b. B
c. C
-​transformation

Accepted Answer

The answer of Label the figure below showing three mechanisms...

Question 10

​The ____ of flagellated protozoans are analogous to the ____ of prokaryotes.

Accepted Answer

A)  ​cytoskeleton; flagellum 
B)  ​endoplasmic reticulum; ribosome 
C)  ​fimbriae; Golgi body 
D)  ​pellicle; cell wall 
E)  ​cytoskeleton; plastid 
A)  ​cytoskeleton; flagellum 
B)  ​endoplasmic reticulum; ribosome 
C)  ​fimbriae; Golgi body 
D)  ​pellicle; cell wall 
E)  ​cytoskeleton; plastid

Question 11

____ are likely to provide hints about the 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 12

Matching
HAS VARIABLES:
False
LEARNING OBJECTIVES:
BTAT.STAR.21.14.04.01 - List some structural and functional traits shared by bacteria and archaea.DATE CREATED:
11/18/2019 3:02 PM
DATE MODIFIED:
12/16/2019 4:57 AM
-​cytoplasm

Accepted Answer

The answer of Matching
HAS VARIABLES:
False
LEARNING OBJECTIVES:
BTAT.STAR.21.14.04.01 - List some structural...

Question 13

​____ bacteria are found inside the roots of legumes, where they receive _____ from the host plant.

Accepted Answer

A)  ​Thermophilic; water 
B)  ​Cyanobacteria; minerals 
C)  ​Nitrogen-fixing; carbohydrates 
D)  ​Methane-producing; minerals 
E)  ​Halophilic; carbohydrates 
A)  ​Thermophilic; water 
B)  ​Cyanobacteria; minerals 
C)  ​Nitrogen-fixing; carbohydrates 
D)  ​Methane-producing; minerals 
E)  ​Halophilic; carbohydrates

Question 14

A ____ is a disease-causing organism.

Accepted Answer

A)  microbiota 
B)  pathogen 
C)  probiotic 
D)  antibiotic 
E)  prebiotic 
A)  microbiota 
B)  pathogen 
C)  probiotic 
D)  antibiotic 
E)  prebiotic

Question 15

Match the following terms with the description to which they best correspond.
-​cause of malaria
A)amoebas
B)apicomplexan
C)dinoflagellates
D)green algae
E)red algae
F)foraminifera

Accepted Answer

The answer of Match the following terms with the description...

Question 16

​Some archaea are extreme halophiles. This means that they thrive in ___ conditions.

Accepted Answer

A)  ​high temperature 
B)  ​low temperature 
C)  ​high sulfur 
D)  ​high salt 
E)  ​high oxygen 
A)  ​high temperature 
B)  ​low temperature 
C)  ​high sulfur 
D)  ​high salt 
E)  ​high oxygen

Question 17

Match the prokaryote with the correct description.
-​These are likely related to the organism that gave rise to chloroplasts.
A)halophiles
B)cyanobacteria
C)thermophiles
D)bacteria
E)methanogens

Accepted Answer

The answer of Match the prokaryote with the correct description.
-​These...

Question 18

​Which is an example of a benefit attributed to bacteria?

Accepted Answer

A)  ​Bacteria can cause food spoilage. 
B)  ​Many species of bacteria cause disease in humans. 
C)  ​Bacteria in the human gut and vagina prevent the growth of pathogens. 
D)  ​Bacteria break down excess vitamin K in the human large intestine. 
E)  ​Bacteria prevent decomposition by fungi. 
A)  ​Bacteria can cause food spoilage. 
B)  ​Many species of bacteria cause disease in humans. 
C)  ​Bacteria in the human gut and vagina prevent the growth of pathogens. 
D)  ​Bacteria break down excess vitamin K in the human large intestine. 
E)  ​Bacteria prevent decomposition by fungi.

Question 19

​Genes that are exchanged between prokaryotes are contained in ____ molecules.

Accepted Answer

A)  ​pili 
B)  ​plasmid 
C)  ​prokaryotic RNA 
D)  ​nuclear 
E)  ​protein 
A)  ​pili 
B)  ​plasmid 
C)  ​prokaryotic RNA 
D)  ​nuclear 
E)  ​protein

Question 20

Match the following terms with the description to which they best correspond.
-​lower the ocean's carbon dioxide concentration
A)amoebas
B)apicomplexan
C)dinoflagellates
D)green algae
E)red algae
F)foraminifera

Accepted Answer

The answer of Match the following terms with the description...

Exam 14: Prokaryotes, Protists, and Viruses

​Until the early 1800s, scientists believed that molecules of life could only be made _____.

Match the following terms with the description to which they best correspond. -​share a common ancestor with green plants A)amoebas B)apicomplexan C)dinoflagellates D)green algae E)red algae F)foraminifera

Viral infections in plants often occur by the action of _____.

​Bacteria can exchange genes with other bacteria by a method called ____.

​The appearance of _____ on Earth due to the action of photosynthetic bacteria occurred about 2.7 billion years ago.

​Scientific evidence suggests that Earth had cooled enough for_____ to accumulate by 4.3 billion years ago.

Matching Match the following terms with the description to which they best correspond. -​makes its own carbohydrates A)protist B)prokaryote C)photoautotroph D)pathogen E)protocell F)halophile G)strain

​Evidence supporting the lack of oxygen on early Earth includes _____.

Label the figure below showing three mechanisms of gene exchange in prokaryotic cells. a. A b. B c. C -​transformation

​The ____ of flagellated protozoans are analogous to the ____ of prokaryotes.

____ are likely to provide hints about the Earth's early atmosphere.

Matching HAS VARIABLES: False LEARNING OBJECTIVES: BTAT.STAR.21.14.04.01 - List some structural and functional traits shared by bacteria and archaea.DATE CREATED: 11/18/2019 3:02 PM DATE MODIFIED: 12/16/2019 4:57 AM -​cytoplasm

​____ bacteria are found inside the roots of legumes, where they receive _____ from the host plant.

A ____ is a disease-causing organism.

Match the following terms with the description to which they best correspond. -​cause of malaria A)amoebas B)apicomplexan C)dinoflagellates D)green algae E)red algae F)foraminifera

​Some archaea are extreme halophiles. This means that they thrive in ___ conditions.

Match the prokaryote with the correct description. -​These are likely related to the organism that gave rise to chloroplasts. A)halophiles B)cyanobacteria C)thermophiles D)bacteria E)methanogens

​Which is an example of a benefit attributed to bacteria?

​Genes that are exchanged between prokaryotes are contained in ____ molecules.

Match the following terms with the description to which they best correspond. -​lower the ocean's carbon dioxide concentration A)amoebas B)apicomplexan C)dinoflagellates D)green algae E)red algae F)foraminifera

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Photosynthesis

Releasing Chemical 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 Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Animal Reproduction and Development

Plant Form and Function

Life Cycles of Flowering Plants

Filters

Until the early 1800s, scientists believed that molecules of life could only be made _____.

Match the following terms with the description to which they best correspond. -share a common ancestor with green plants A)amoebas B)apicomplexan C)dinoflagellates D)green algae E)red algae F)foraminifera

Bacteria can exchange genes with other bacteria by a method called ____.

The appearance of _____ on Earth due to the action of photosynthetic bacteria occurred about 2.7 billion years ago.

Scientific evidence suggests that Earth had cooled enough for_____ to accumulate by 4.3 billion years ago.

Matching Match the following terms with the description to which they best correspond. -makes its own carbohydrates A)protist B)prokaryote C)photoautotroph D)pathogen E)protocell F)halophile G)strain

Evidence supporting the lack of oxygen on early Earth includes _____.

Label the figure below showing three mechanisms of gene exchange in prokaryotic cells. a. A b. B c. C -transformation

The of flagellated protozoans are analogous to the of prokaryotes.

Matching HAS VARIABLES: False LEARNING OBJECTIVES: BTAT.STAR.21.14.04.01 - List some structural and functional traits shared by bacteria and archaea.DATE CREATED: 11/18/2019 3:02 PM DATE MODIFIED: 12/16/2019 4:57 AM -cytoplasm

bacteria are found inside the roots of legumes, where they receive _ from the host plant.

Match the following terms with the description to which they best correspond. -cause of malaria A)amoebas B)apicomplexan C)dinoflagellates D)green algae E)red algae F)foraminifera

Some archaea are extreme halophiles. This means that they thrive in ___ conditions.

Match the prokaryote with the correct description. -These are likely related to the organism that gave rise to chloroplasts. A)halophiles B)cyanobacteria C)thermophiles D)bacteria E)methanogens

Which is an example of a benefit attributed to bacteria?

Genes that are exchanged between prokaryotes are contained in ____ molecules.

Match the following terms with the description to which they best correspond. -lower the ocean's carbon dioxide concentration A)amoebas B)apicomplexan C)dinoflagellates D)green algae E)red algae F)foraminifera