Question 1

The main storage carbohydrate in fungi is

Accepted Answer

A) glycogen. 
B) glucose. 
C) starch. 
D) cellulose. 
E) chitin. 
A) glycogen. 
B) glucose. 
C) starch. 
D) cellulose. 
E) chitin. A

Question 2

Saccharomyces is commonly known as

Accepted Answer

A) an antibiotic. 
B) the "death angel." 
C) mildew. 
D) yeast for making bread,wine,and beer. 
E) the common bread mold. 
A) an antibiotic. 
B) the "death angel." 
C) mildew. 
D) yeast for making bread,wine,and beer. 
E) the common bread mold. D

Question 3

Euglena and dinoflagellates have chloroplasts and flagella.This means they are which feature?

Accepted Answer

A) photosynthetic only 
B) mobile only 
C) multicellular only 
D) both photosynthetic and mobile 
E) both multicellular and mobile 
A) photosynthetic only 
B) mobile only 
C) multicellular only 
D) both photosynthetic and mobile 
E) both multicellular and mobile D

Question 4

The protists,though now known to have multiple origins,were first group due to their being aquatic,and,most of them,quite small.

Accepted Answer

A) True 
 B)False

Question 5

The Irish potato famine in the mid-1840s was caused by which heterotrophic protist decomposer that secreted digestive enzymes onto potatoes?

Accepted Answer

A) a water mold 
B) a red alga 
C) a dinoflagellate 
D) a protozoan 
E) a fungus 
A) a water mold 
B) a red alga 
C) a dinoflagellate 
D) a protozoan 
E) a fungus

Question 6

How did the first life on Earth obtain energy?

Accepted Answer

A) photosynthesis in the presence of oxygen 
B) photosynthesis in the absence of oxygen 
C) heterotrophic consumption of organic molecules 
D) autotrophic consumption of organic molecules 
E) phototrophic consumption of inorganic molecules 
A) photosynthesis in the presence of oxygen 
B) photosynthesis in the absence of oxygen 
C) heterotrophic consumption of organic molecules 
D) autotrophic consumption of organic molecules 
E) phototrophic consumption of inorganic molecules

Question 7

Most bacteria inside and on the human body cause disease.

Accepted Answer

A) True 
 B)False

Question 8

The structure that assembles proteins in the prokaryote is the

Accepted Answer

A) plasmid. 
B) ribosome. 
C) cell membrane. 
D) endospore. 
E) nucleoid. 
A) plasmid. 
B) ribosome. 
C) cell membrane. 
D) endospore. 
E) nucleoid.

Question 9

The first multicellular organisms probably arose about

Accepted Answer

A) 1.2 billion years ago. 
B) 500 million years ago. 
C) two billion years ago. 
D) 3.5 billion years ago. 
E) six billion years ago. 
A) 1.2 billion years ago. 
B) 500 million years ago. 
C) two billion years ago. 
D) 3.5 billion years ago. 
E) six billion years ago.

Question 10

In the ecosystems of the world,fungi act primarily as

Accepted Answer

A) decomposers. 
B) autotrophs. 
C) primary consumers. 
D) secondary consumers. 
E) photosynthesizers. 
A) decomposers. 
B) autotrophs. 
C) primary consumers. 
D) secondary consumers. 
E) photosynthesizers.

Question 11

The early report that Stanley Miller had created "Life in a Test Tube" in his experiment to re-create chemical conditions on Earth before life arose was correct.

Accepted Answer

A) True 
 B)False

Question 12

Malaria is caused by Plasmodium falciparum,a non-motile protist that contains a cluster of microtubules at one end of the cell.Once injected into the bloodstream,these microtubules are used to attach to red blood cells.In areas of the world where malaria is endemic,people have a relatively high incidence of the allele for

Accepted Answer

A) sickle cell. 
B) blue eyes. 
C) cystic fibrosis. 
D) mental retardation. 
E) hemophilia. 
A) sickle cell. 
B) blue eyes. 
C) cystic fibrosis. 
D) mental retardation. 
E) hemophilia.

Question 13

Multicellular organisms generally consist of a large number of identical cells.

Accepted Answer

A) True 
 B)False

Question 14

If a friend at the next lab bench was working on an unknown fungus and shouted "I've found zygospores," you would tell your friend that the fungus was probably a member of the

Accepted Answer

A) chytridiomycotA. 
B) ascomycota. 
C) zygomycota. 
D) basidiomycota. 
E) glomeromycota. 
A) chytridiomycotA. 
B) ascomycota. 
C) zygomycota. 
D) basidiomycota. 
E) glomeromycota.

Question 15

How is the ability of phospholipids to spontaneously form membranes when placed in water important in the origin of life on Earth?

Accepted Answer

A) Membranes are used by cells to catalyze reactions. 
B) Membranes are used by cells to store genetic information. 
C) Membranes protect a cell from high temperatures and pressures in the environment. 
D) Membranes are used by cells to isolate their contents from the environment. 
E) Membranes protect a cell from gases in the atmosphere 
A) Membranes are used by cells to catalyze reactions. 
B) Membranes are used by cells to store genetic information. 
C) Membranes protect a cell from high temperatures and pressures in the environment. 
D) Membranes are used by cells to isolate their contents from the environment. 
E) Membranes protect a cell from gases in the atmosphere

Question 16

The primary component making up the cell walls of bacteria is

Accepted Answer

A) peptidoglycan. 
B) glucose. 
C) All answers are correct. 
D) cellulose. 
E) chitin. 
A) peptidoglycan. 
B) glucose. 
C) All answers are correct. 
D) cellulose. 
E) chitin.

Question 17

Yeasts are

Accepted Answer

A) multicelled autotrophs. 
B) single-celled heterotrophs. 
C) single-celled autotrophs. 
D) multicelled heterotrophs. 
E) All answers are correct. 
A) multicelled autotrophs. 
B) single-celled heterotrophs. 
C) single-celled autotrophs. 
D) multicelled heterotrophs. 
E) All answers are correct.

Question 18

All protists

Accepted Answer

A) are prokaryotes. 
B) lack a nucleus. 
C) lack membrane-bounded organelles. 
D) are eukaryotes. 
E) are multicellular. 
A) are prokaryotes. 
B) lack a nucleus. 
C) lack membrane-bounded organelles. 
D) are eukaryotes. 
E) are multicellular.

Question 19

Antibiotics usually are not dangerous to use in treating bacterial infections because most antibiotics exploit structures and functions in bacteria that are not present in host cells.

Accepted Answer

A) True 
 B)False

Question 20

The first life on Earth was

Accepted Answer

A) prokaryotic. 
B) eukaryotic. 
C) prokaryotic and multicellular. 
D) eukaryotic and multicellular. 
E) eukaryotic and unicellular. 
A) prokaryotic. 
B) eukaryotic. 
C) prokaryotic and multicellular. 
D) eukaryotic and multicellular. 
E) eukaryotic and unicellular.

Exam 15: Evolution and Diversity of Microbial Life

The main storage carbohydrate in fungi is

Saccharomyces is commonly known as

Euglena and dinoflagellates have chloroplasts and flagella.This means they are which feature?

The protists,though now known to have multiple origins,were first group due to their being aquatic,and,most of them,quite small.

The Irish potato famine in the mid-1840s was caused by which heterotrophic protist decomposer that secreted digestive enzymes onto potatoes?

How did the first life on Earth obtain energy?

Most bacteria inside and on the human body cause disease.

The structure that assembles proteins in the prokaryote is the

The first multicellular organisms probably arose about

In the ecosystems of the world,fungi act primarily as

The early report that Stanley Miller had created "Life in a Test Tube" in his experiment to re-create chemical conditions on Earth before life arose was correct.

Multicellular organisms generally consist of a large number of identical cells.

If a friend at the next lab bench was working on an unknown fungus and shouted "I've found zygospores," you would tell your friend that the fungus was probably a member of the

How is the ability of phospholipids to spontaneously form membranes when placed in water important in the origin of life on Earth?

The primary component making up the cell walls of bacteria is

Yeasts are

All protists

Antibiotics usually are not dangerous to use in treating bacterial infections because most antibiotics exploit structures and functions in bacteria that are not present in host cells.

The first life on Earth was

Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

How Cells Release Energy

Dna Structure and Gene Function

DNA Replication, binary Fission, and Mitosis

Sexual Reproduction and Meiosis

Patterns of Inheritance

Dna Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratorysystems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

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