Question 1

Sequencing of the HIV-1 genome revealed that it is most closely related to ____.

Accepted Answer

A)  ​simian immunodeficiency virus 
B)  ​feline immunodeficiency virus 
C)  ​bovine immunodeficiency virus 
D)  ​hepatitis B 
E)  ​H1N1 
A)  ​simian immunodeficiency virus 
B)  ​feline immunodeficiency virus 
C)  ​bovine immunodeficiency virus 
D)  ​hepatitis B 
E)  ​H1N1 A

Question 2

Pili may do four of the following. Which is the exception?

Accepted Answer

A)  ​They help cells attach to surfaces. 
B)  ​They function in conjugation. 
C)  ​They extend from the cell surface. 
D)  ​They can be transferred between cells. 
E)  ​They function in cell locomotion. 
A)  ​They help cells attach to surfaces. 
B)  ​They function in conjugation. 
C)  ​They extend from the cell surface. 
D)  ​They can be transferred between cells. 
E)  ​They function in cell locomotion. D

Question 3

Which prokaryote is described accurately?​

Accepted Answer

A)  ​A coccus is corkscrew shaped. 
B)  ​An archaean is arch shaped. 
C)  ​A bacillus is rod shaped. 
D)  ​A spirillum is spherical. 
E)  ​A coccus is flattened. 
A)  ​A coccus is corkscrew shaped. 
B)  ​An archaean is arch shaped. 
C)  ​A bacillus is rod shaped. 
D)  ​A spirillum is spherical. 
E)  ​A coccus is flattened. C

Question 4

What feature is LEAST characteristic of a virus?​

Accepted Answer

A)  ​contains DNA or RNA genetic material 
B)  ​contains cytoplasm and ribosomes 
C)  ​has a protein coat 
D)  ​can only replicate inside a living host cell 
E)  ​is very small 
A)  ​contains DNA or RNA genetic material 
B)  ​contains cytoplasm and ribosomes 
C)  ​has a protein coat 
D)  ​can only replicate inside a living host cell 
E)  ​is very small

Question 5

AIDS stands for ____.

Accepted Answer

A)  ​Acquired Immune Deficiency Syndrome 
B)  ​Accelerated Immune Death Syndrome 
C)  ​Accentuated Induced Deficiency Syndrome 
D)  ​Advantageous Immunity Deficiency Syndrome 
E)  ​Acquired Immuno Defense Syndrome 
A)  ​Acquired Immune Deficiency Syndrome 
B)  ​Accelerated Immune Death Syndrome 
C)  ​Accentuated Induced Deficiency Syndrome 
D)  ​Advantageous Immunity Deficiency Syndrome 
E)  ​Acquired Immuno Defense Syndrome

Question 6

Of all organisms, prokaryotes are the ____.

Accepted Answer

A)  ​smallest 
B)  ​least abundant 
C)  ​least metabolically diverse 
D)  ​least widespread 
E)  ​least evolved 
A)  ​smallest 
B)  ​least abundant 
C)  ​least metabolically diverse 
D)  ​least widespread 
E)  ​least evolved

Question 7

Four of the following characterize most prokaryotes. Which one is the exception?​

Accepted Answer

A)  ​lack of a nucleus 
B)  ​a single circular chromosome 
C)  ​cell wall 
D)  ​complex internal membranes 
E)  ​great metabolic diversity 
A)  ​lack of a nucleus 
B)  ​a single circular chromosome 
C)  ​cell wall 
D)  ​complex internal membranes 
E)  ​great metabolic diversity

Question 8

The __________ is a circular molecule of DNA that resides in a region of cytoplasm called the __________.

Accepted Answer

prokaryoti

Question 9

In which of the following ways are archaea similar to eukaryotic cells?

Accepted Answer

A)  ​size 
B)  ​shape 
C)  ​presence of histones 
D)  ​DNA polymerases 
E)  ​presence of operons 
A)  ​size 
B)  ​shape 
C)  ​presence of histones 
D)  ​DNA polymerases 
E)  ​presence of operons

Question 10

Which statement is LEAST characteristic of proteobacteria?​

Accepted Answer

A)  ​They live only inside plants. 
B)  ​Some are photoautotrophs. 
C)  ​Some are chemoautotrophs. 
D)  ​Some are chemoheterotrophs. 
E)  ​They are the most diverse group of bacteria. 
A)  ​They live only inside plants. 
B)  ​Some are photoautotrophs. 
C)  ​Some are chemoautotrophs. 
D)  ​Some are chemoheterotrophs. 
E)  ​They are the most diverse group of bacteria.

Question 11

Why are endospores so dangerous to food production?

Accepted Answer

​Endospores are capable of withstanding

Question 12

Four of the following are characteristics of viruses. Which one is the exception?​

Accepted Answer

A)  ​The outer coats of all viruses are alike. 
B)  ​The virus contains either DNA or RNA at its core, but not both. 
C)  ​Viruses infect organisms in all three domains of life. 
D)  ​Most viruses have a protein coat or covering. 
E)  ​Some viruses benefit us indirectly. 
A)  ​The outer coats of all viruses are alike. 
B)  ​The virus contains either DNA or RNA at its core, but not both. 
C)  ​Viruses infect organisms in all three domains of life. 
D)  ​Most viruses have a protein coat or covering. 
E)  ​Some viruses benefit us indirectly.

Question 13

In what way does prokaryotic fission resemble eukaryotic mitosis?​

Accepted Answer

A)  ​mechanism of chromosome movement 
B)  ​production of genetically identical descendant cells 
C)  ​chromosome attachment 
D)  ​production of a cytoskeletal framework for separating chromosomes 
E)  ​horizontal gene transfers 
A)  ​mechanism of chromosome movement 
B)  ​production of genetically identical descendant cells 
C)  ​chromosome attachment 
D)  ​production of a cytoskeletal framework for separating chromosomes 
E)  ​horizontal gene transfers

Question 14

Answer the following questions using the five groups listed below:
-The only bacteria that uses the noncyclic photosynthetic pathway.

Accepted Answer

A) ​halophiles 
B) ​cyanobacteria 
C) ​thermophiles 
D) ​proteobacteria 
E) ​methanogens 
A) ​halophiles 
B) ​cyanobacteria 
C) ​thermophiles 
D) ​proteobacteria 
E) ​methanogens

Question 15

Cyanobacteria ____.

Accepted Answer

A)  ​are heterotrophs 
B)  ​have evolved from ancient chloroplasts 
C)  ​cannotfix carbon 
D)  ​cannotfix nitrogen 
E)  ​produce ammonia from gaseous nitrogen 
A)  ​are heterotrophs 
B)  ​have evolved from ancient chloroplasts 
C)  ​cannotfix carbon 
D)  ​cannotfix nitrogen 
E)  ​produce ammonia from gaseous nitrogen

Question 16

The methanogenic archaeans are ____ that pull electrons from ____.

Accepted Answer

A)  ​chemoautotrophs; oxygen 
B)  ​chemoheterotrophs; carbon dioxide 
C)  ​chemoautotrophs; water 
D)  ​chemoheterotrophs; methane 
E)  ​chemoautotrophs; hydrogen gas 
A)  ​chemoautotrophs; oxygen 
B)  ​chemoheterotrophs; carbon dioxide 
C)  ​chemoautotrophs; water 
D)  ​chemoheterotrophs; methane 
E)  ​chemoautotrophs; hydrogen gas

Question 17

Peptidoglycan is a compound in ____.

Accepted Answer

A)  ​bacterial flagella 
B)  ​bacterial cell walls 
C)  ​archaean cell walls 
D)  ​archaean flagella 
E)  ​eukaryote cell walls 
A)  ​bacterial flagella 
B)  ​bacterial cell walls 
C)  ​archaean cell walls 
D)  ​archaean flagella 
E)  ​eukaryote cell walls

Question 18

Archaea reproduce primarily through ____.

Accepted Answer

A)  ​fusion 
B)  ​binary fission 
C)  ​sex 
D)  ​meiosis 
E)  ​cell joining 
A)  ​fusion 
B)  ​binary fission 
C)  ​sex 
D)  ​meiosis 
E)  ​cell joining

Question 19

Answer the following questions using the five groups listed below:
-These produce CH₄.

Accepted Answer

A) ​halophiles 
B) ​cyanobacteria 
C) ​thermophiles 
D) ​proteobacteria 
E) ​methanogens 
A) ​halophiles 
B) ​cyanobacteria 
C) ​thermophiles 
D) ​proteobacteria 
E) ​methanogens

Question 20

Bacteriorhodopsin is a light-sensitive pigment found in ____ archaeans used to supply energy for ____ production.

Accepted Answer

A)  ​halophilic; ATP 
B)  ​thermophilic; carbohydrate 
C)  ​methanogenic; methane 
D)  ​halophilic; carbohydrate 
E)  ​thermophilic; ATP 
A)  ​halophilic; ATP 
B)  ​thermophilic; carbohydrate 
C)  ​methanogenic; methane 
D)  ​halophilic; carbohydrate 
E)  ​thermophilic; ATP

Exam 20: Viruses - Bacteria - and Archaea

Sequencing of the HIV-1 genome revealed that it is most closely related to ____.

Pili may do four of the following. Which is the exception?

Which prokaryote is described accurately?​

What feature is LEAST characteristic of a virus?​

AIDS stands for ____.

Of all organisms, prokaryotes are the ____.

Four of the following characterize most prokaryotes. Which one is the exception?​

The __________ is a circular molecule of DNA that resides in a region of cytoplasm called the __________.

In which of the following ways are archaea similar to eukaryotic cells?

Which statement is LEAST characteristic of proteobacteria?​

Why are endospores so dangerous to food production?

Four of the following are characteristics of viruses. Which one is the exception?​

In what way does prokaryotic fission resemble eukaryotic mitosis?​

Answer the following questions using the five groups listed below: -The only bacteria that uses the noncyclic photosynthetic pathway.

Cyanobacteria ____.

The methanogenic archaeans are ____ that pull electrons from ____.

Peptidoglycan is a compound in ____.

Archaea reproduce primarily through ____.

Answer the following questions using the five groups listed below: -These produce CH₄.

Bacteriorhodopsin is a light-sensitive pigment found in ____ archaeans used to supply energy for ____ production.

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Starts - Photosynthesis

How Cells Release Chemical Energy

Dna Structure and Function

From Dna to Protein

Gene Control

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizating Information About Species

Lifes Origin and Early Evolution

Protists - the Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution - the Invertibrates

Animal Evolution - the Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Filters

Which prokaryote is described accurately?

What feature is LEAST characteristic of a virus?

Four of the following characterize most prokaryotes. Which one is the exception?

The is a circular molecule of DNA that resides in a region of cytoplasm called the .

Which statement is LEAST characteristic of proteobacteria?

Four of the following are characteristics of viruses. Which one is the exception?

In what way does prokaryotic fission resemble eukaryotic mitosis?

The methanogenic archaeans are that pull electrons from .

Bacteriorhodopsin is a light-sensitive pigment found in archaeans used to supply energy for production.