Question 1

Which of the following infects only plants?

Accepted Answer

A) Virus 
B) Prion 
C) Viroid 
D) Capsid 
A) Virus 
B) Prion 
C) Viroid 
D) Capsid

Question 2

Which viral life cycle would result in a quicker death for an infected cell?

Accepted Answer

A) The lytic cycle 
B) The prophage cycle 
C) The retroviral cycle 
D) The lysogenic cycle 
A) The lytic cycle 
B) The prophage cycle 
C) The retroviral cycle 
D) The lysogenic cycle

Question 3

Which of the following is a key characteristic of the HIV virus that makes it so deadly?

Accepted Answer

A) The HIV virus contains a protein coat, or capsid. 
B) The HIV virus uses the enzyme reverse transcriptase for reproduction. 
C) The HIV virus can use the cellular machinery of the host cell they infected. 
D) The HIV virus has a RNA genome. 
A) The HIV virus contains a protein coat, or capsid. 
B) The HIV virus uses the enzyme reverse transcriptase for reproduction. 
C) The HIV virus can use the cellular machinery of the host cell they infected. 
D) The HIV virus has a RNA genome.

Question 4

Where would you expect to find methanogens?

Accepted Answer

A) Near a volcano 
B) In the surf along the beach 
C) On the surface of plants 
D) In the digestive tract of cows 
A) Near a volcano 
B) In the surf along the beach 
C) On the surface of plants 
D) In the digestive tract of cows

Question 5

What is an emerging virus?

Accepted Answer

A) A virus that has just come to the attention of scientists 
B) A virus that has been known to researchers for a long time 
C) A virus that emerges out of the patient's body 
D) A virus that contains an emerging capsid 
A) A virus that has just come to the attention of scientists 
B) A virus that has been known to researchers for a long time 
C) A virus that emerges out of the patient's body 
D) A virus that contains an emerging capsid

Question 6

By what means do prokaryotes typically divide?

Accepted Answer

A) Binary fission 
B) Mitosis 
C) Meiosis 
D) Regeneration 
A) Binary fission 
B) Mitosis 
C) Meiosis 
D) Regeneration

Question 7

A capsid to a virus is equivalent to a ________ to a bacteria.

Accepted Answer

A) Cell wall 
B) Plasma membrane 
C) Plasmid 
D) Flagellum 
A) Cell wall 
B) Plasma membrane 
C) Plasmid 
D) Flagellum

Question 8

Which of the following statements is accurate?

Accepted Answer

A) Prokaryotes nutrition is highly diverse. 
B) Prokaryotes come in a variety of shapes. 
C) Prokaryotes are found virtually everywhere on Earth. 
D) All of the above are accurate statements. 
A) Prokaryotes nutrition is highly diverse. 
B) Prokaryotes come in a variety of shapes. 
C) Prokaryotes are found virtually everywhere on Earth. 
D) All of the above are accurate statements.

Question 9

How long did it take in the history of life on Earth to go from the first prokaryotic cells to the first eukaryotic cells?

Accepted Answer

A) 1,000 years 
B) 100,000 years 
C) 1 million years 
D) Over a billion years 
A) 1,000 years 
B) 100,000 years 
C) 1 million years 
D) Over a billion years

Question 10

An organism is considered truly multicellular when ________.

Accepted Answer

A) its cells cannot survive on their own 
B) its cells form colonies 
C) its cells specialize in various tasks 
D) each cell can carry out all of life's functions 
A) its cells cannot survive on their own 
B) its cells form colonies 
C) its cells specialize in various tasks 
D) each cell can carry out all of life's functions

Question 11

Which began first?

Accepted Answer

A) Multicellular life in the ocean 
B) Multicellular life in fresh water 
C) Plants colonizing the land 
D) Animals colonizing the land 
A) Multicellular life in the ocean 
B) Multicellular life in fresh water 
C) Plants colonizing the land 
D) Animals colonizing the land

Question 12

All protists are eukaryotic organisms.

Accepted Answer

A) True 
 B)False

Question 13

AIDS, or acquired immunodeficiency syndrome, is caused by ________.

Accepted Answer

A) a bacteria 
B) a protozoan 
C) a virus 
D) a fungus 
A) a bacteria 
B) a protozoan 
C) a virus 
D) a fungus

Question 14

Which method of bacterial DNA transfer involves a physical connection between the two bacterial cells?

Accepted Answer

A) Transformation 
B) Transduction 
C) Binary fission 
D) Conjugation 
A) Transformation 
B) Transduction 
C) Binary fission 
D) Conjugation

Question 15

What is the leading scientific hypothesis explaining how the endomembrane system of eukaryotic cells originated?

Accepted Answer

A) From the inward folding of the plasma membrane 
B) From engulfing prokaryotic cells 
C) From engulfing eukaryotic cells 
D) From the spontaneous formation of phospholipids 
A) From the inward folding of the plasma membrane 
B) From engulfing prokaryotic cells 
C) From engulfing eukaryotic cells 
D) From the spontaneous formation of phospholipids

Question 16

Which of the following do not get infected by viruses?

Accepted Answer

A) Animals 
B) Plants 
C) Bacteria 
D) Animals, plants and bacteria can all be infected by viruses. 
A) Animals 
B) Plants 
C) Bacteria 
D) Animals, plants and bacteria can all be infected by viruses.

Question 17

Why is it hard to classify protists?

Accepted Answer

A) Because they come from such in such a wide variety of size and shape 
B) Because they differ in their nutrition and energy use 
C) Because they differ in their complexity, some being unicellular, some being multicellular 
D) All of the above are reasons why protists remain hard to classify 
A) Because they come from such in such a wide variety of size and shape 
B) Because they differ in their nutrition and energy use 
C) Because they differ in their complexity, some being unicellular, some being multicellular 
D) All of the above are reasons why protists remain hard to classify

Question 18

What are the three parts that make up the structure of most viruses?

Accepted Answer

A) DNA, a plasma membrane, and recognition spikes 
B) Nucleic acid (either DNA or RN
A) , a plasma membrane, and recognition spikes 
C) Nucleic acid (either DNA or RN
A) , a capsid, and recognition spikes 
D) RNA, a plasmid, and recognition spikes 
A) DNA, a plasma membrane, and recognition spikes 
B) Nucleic acid (either DNA or RN
A) , a plasma membrane, and recognition spikes 
C) Nucleic acid (either DNA or RN
A) , a capsid, and recognition spikes 
D) RNA, a plasmid, and recognition spikes

Question 19

Which statement is true regarding bacteria?

Accepted Answer

A) All bacteria are pathogens and harmful to humans. 
B) Some bacteria are pathogens and harmful to humans, whereas lots of bacteria are helpful to humans. 
C) All bacteria are helpful to humans. 
D) All bacteria are pathogens, but some harm humans more than others. 
A) All bacteria are pathogens and harmful to humans. 
B) Some bacteria are pathogens and harmful to humans, whereas lots of bacteria are helpful to humans. 
C) All bacteria are helpful to humans. 
D) All bacteria are pathogens, but some harm humans more than others.

Question 20

How did mitochondria and chloroplasts arise in eukaryotic cells?

Accepted Answer

A) Via endosymbiosis, where mitochondria and chloroplasts were independent prokaryotic organisms that were engulfed by a larger cell 
B) Via binary fission, where bacteria divided to create mitochondria and chloroplasts 
C) Via the endomembrane system that engulfed mitochondria and chloroplasts 
D) Via the endomembrane system that enfolded in such a way as to create mitochondria and chloroplasts 
A) Via endosymbiosis, where mitochondria and chloroplasts were independent prokaryotic organisms that were engulfed by a larger cell 
B) Via binary fission, where bacteria divided to create mitochondria and chloroplasts 
C) Via the endomembrane system that engulfed mitochondria and chloroplasts 
D) Via the endomembrane system that enfolded in such a way as to create mitochondria and chloroplasts

Which of the following infects only plants?

Which viral life cycle would result in a quicker death for an infected cell?

Which of the following is a key characteristic of the HIV virus that makes it so deadly?

Where would you expect to find methanogens?

What is an emerging virus?

By what means do prokaryotes typically divide?

A capsid to a virus is equivalent to a ________ to a bacteria.

Which of the following statements is accurate?

How long did it take in the history of life on Earth to go from the first prokaryotic cells to the first eukaryotic cells?

An organism is considered truly multicellular when ________.

Which began first?

All protists are eukaryotic organisms.

AIDS, or acquired immunodeficiency syndrome, is caused by ________.

Which method of bacterial DNA transfer involves a physical connection between the two bacterial cells?

What is the leading scientific hypothesis explaining how the endomembrane system of eukaryotic cells originated?

Which of the following do not get infected by viruses?

Why is it hard to classify protists?

What are the three parts that make up the structure of most viruses?

Which statement is true regarding bacteria?

How did mitochondria and chloroplasts arise in eukaryotic cells?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Biology The Core: Appendix

Filters

Exam 8: Biodiversity 1: Microscopic Organisms

Which of the following infects only plants?

Which viral life cycle would result in a quicker death for an infected cell?

Which of the following is a key characteristic of the HIV virus that makes it so deadly?

Where would you expect to find methanogens?

What is an emerging virus?

By what means do prokaryotes typically divide?

A capsid to a virus is equivalent to a ________ to a bacteria.

Which of the following statements is accurate?

How long did it take in the history of life on Earth to go from the first prokaryotic cells to the first eukaryotic cells?

An organism is considered truly multicellular when ________.

Which began first?

All protists are eukaryotic organisms.

AIDS, or acquired immunodeficiency syndrome, is caused by ________.

Which method of bacterial DNA transfer involves a physical connection between the two bacterial cells?

What is the leading scientific hypothesis explaining how the endomembrane system of eukaryotic cells originated?

Which of the following do not get infected by viruses?

Why is it hard to classify protists?

What are the three parts that make up the structure of most viruses?

Which statement is true regarding bacteria?

How did mitochondria and chloroplasts arise in eukaryotic cells?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Biology The Core: Appendix

Filters