Question 1

Match between columns
                        Premises: Salmonella

Accepted Answer

The Answer of fixes nitrogen and causes anthrax and thrives is...

Question 2

The process of nitrification is the conversion of ____. ​

Accepted Answer

A) N2 → NH4+ 
B) NH4+ → N2 
C) N2 → NO3  -  
D) NO3  -  → N2 
E) NH4+ → NO3  -  
A) N2 → NH4+ 
B) NH4+ → N2 
C) N2 → NO3  -  
D) NO3  -  → N2 
E) NH4+ → NO3  -

Question 3

Answer the question using the accompanying figure. Which numbers identify structures that are found in all prokaryotes? ​

Accepted Answer

A) 2 and 4 
B) 3 and 4 
C) 1 and 5 
D) 5 and 9 
E) 7 and 8 
A) 2 and 4 
B) 3 and 4 
C) 1 and 5 
D) 5 and 9 
E) 7 and 8

Question 4

Match between columns
                        Premises: Helicobacter

Accepted Answer

The Answer of causes syphilis and thrives in very high is...

Question 5

Why is nitrogen fixation by prokaryotes essential to life on Earth? ​

Accepted Answer

A) It removes nitrogen from the soil. 
B) It converts atmospheric nitrogen to a non-toxic form. 
C) It provides nitrogen sources for plants and animals. 
D) It provides an energy source for photosynthesis. 
E) It allows for the breakdown of complex macromolecules. 
A) It removes nitrogen from the soil. 
B) It converts atmospheric nitrogen to a non-toxic form. 
C) It provides nitrogen sources for plants and animals. 
D) It provides an energy source for photosynthesis. 
E) It allows for the breakdown of complex macromolecules.

Question 6

DNA in prokaryotes is found in ____.

Accepted Answer

A) the nucleoid only 
B) the nucleolus only 
C) plasmids only 
D) the nucleoid and plasmids 
E) the nucleolus and plasmids 
A) the nucleoid only 
B) the nucleolus only 
C) plasmids only 
D) the nucleoid and plasmids 
E) the nucleolus and plasmids

Question 7

After performing a Gram stain on a mixed culture of Gram-positive and Gram-negative cells, you realize that you omitted the iodine step. What would you expect to see if you observed the slide under the microscope? ​

Accepted Answer

A) pink Gram-positive and purple Gram-negative cells 
B) purple Gram-positive and pink Gram-negative cells 
C) pink Gram-positive and pink Gram-negative cells 
D) colorless Gram-positive and pink Gram-negative cells 
E) colorless Gram-positive and colorless Gram-negative cells 
A) pink Gram-positive and purple Gram-negative cells 
B) purple Gram-positive and pink Gram-negative cells 
C) pink Gram-positive and pink Gram-negative cells 
D) colorless Gram-positive and pink Gram-negative cells 
E) colorless Gram-positive and colorless Gram-negative cells

Question 8

Bacterial flagella ____. ​

Accepted Answer

A) are smaller and simpler than eukaryotic flagella 
B) consist of a straight fiber of protein 
C) are found in all motile bacteria 
D) are powered by a gradient of calcium ions 
E) contain microtubules 
A) are smaller and simpler than eukaryotic flagella 
B) consist of a straight fiber of protein 
C) are found in all motile bacteria 
D) are powered by a gradient of calcium ions 
E) contain microtubules

Question 9

Match between columns
                        Premises: Chlamydia

Accepted Answer

The Answer of releases oxygen as a byproduct of photosynthesis is...

Question 10

The presence of branched membrane lipids with ether linkages is a characteristic of ____.

Accepted Answer

A) Archaea only 
B) Bacteria only 
C) both Archaea and Bacteria 
D) of neither Archaea nor Bacteria 
E) Archaea, Bacteria and Eukarya 
A) Archaea only 
B) Bacteria only 
C) both Archaea and Bacteria 
D) of neither Archaea nor Bacteria 
E) Archaea, Bacteria and Eukarya

Question 11

Most of the bacteria that cause human disease are ____. ​

Accepted Answer

A) chemoautotrophs only 
B) chemoheterotrophs 
C) photoautotrophs 
D) photoheterotrophs only 
E) chemoautotrophs and photoheterotrophs 
A) chemoautotrophs only 
B) chemoheterotrophs 
C) photoautotrophs 
D) photoheterotrophs only 
E) chemoautotrophs and photoheterotrophs

Question 12

Which type of bacteria can grow in the presence or absence of oxygen? ​

Accepted Answer

A) obligate aerobes 
B) obligate anaerobes 
C) facultative anaerobes 
D) obligate aerobes and obligate anaerobes 
E) obligate anaerobes and facultative anaerobes 
A) obligate aerobes 
B) obligate anaerobes 
C) facultative anaerobes 
D) obligate aerobes and obligate anaerobes 
E) obligate anaerobes and facultative anaerobes

Question 13

Prokaryotes ____.

Accepted Answer

A) lack a nucleus 
B) are generally larger than eukaryotes 
C) are found only in certain niches 
D) have a narrow range of metabolic activities 
E) have a smaller biomass than plants 
A) lack a nucleus 
B) are generally larger than eukaryotes 
C) are found only in certain niches 
D) have a narrow range of metabolic activities 
E) have a smaller biomass than plants

Question 14

Methanogens are classified as ____. ​

Accepted Answer

A) Crenarchaeota only 
B) Euryarchaeota only 
C) Korarchaeota 
D) Nanoarchaeota 
E) both Crenarchaeota and Euryarchaeota 
A) Crenarchaeota only 
B) Euryarchaeota only 
C) Korarchaeota 
D) Nanoarchaeota 
E) both Crenarchaeota and Euryarchaeota

Question 15

Plaque is _____ caused by _____. ​

Accepted Answer

A) an infectious disease; bacterial biofilms 
B) a non-infectious disease; inflammation of the gums 
C) an infectious disease; non-pathogenic bacteria 
D) a non-infectious disease; E. coli 
E) an infectious disease; E. coli 
A) an infectious disease; bacterial biofilms 
B) a non-infectious disease; inflammation of the gums 
C) an infectious disease; non-pathogenic bacteria 
D) a non-infectious disease; E. coli 
E) an infectious disease; E. coli

Question 16

How many distinct evolutionary branches exist in the domain Archaea, as revealed by genome sequencing studies? ​

Accepted Answer

A) two 
B) three 
C) four 
D) five 
E) at least six 
A) two 
B) three 
C) four 
D) five 
E) at least six

Question 17

Match between columns
                        Premises: Cyanobacteria

Accepted Answer

The Answer of causes anthrax and causes gonorrhea and causes is...

Question 18

In biological nitrogen-fixation, ____.

Accepted Answer

A) ammonia is converted to nitrogen gas 
B) nitrogen gas is converted to ammonia 
C) ammonia is converted to nitrate 
D) amino acids are linked into proteins in ribosomes 
E) nitrate is converted to ammonia 
A) ammonia is converted to nitrogen gas 
B) nitrogen gas is converted to ammonia 
C) ammonia is converted to nitrate 
D) amino acids are linked into proteins in ribosomes 
E) nitrate is converted to ammonia

Question 19

A Gram-positive bacterium is characterized by the ____. ​

Accepted Answer

A) presence of a thin peptidoglycan cell wall 
B) presence of a thick peptidoglycan cell wall 
C) absence of a cell wall 
D) presence of an outer membrane 
E) absence of ribosomes 
A) presence of a thin peptidoglycan cell wall 
B) presence of a thick peptidoglycan cell wall 
C) absence of a cell wall 
D) presence of an outer membrane 
E) absence of ribosomes

Question 20

In which of the following ways is proteobacterial photosynthesis different from plant photosynthesis? ​

Accepted Answer

A) Proteobacterial photosynthesis uses a different molecule than chlorophyll. 
B) Proteobacterial photosynthesis does not produce oxygen. 
C) Proteobacterial photosynthesis uses water as an electron donor. 
D) Proteobacterial photosynthesis uses a different molecule than chlorophyll and does not produce oxygen 
E) Proteobacterial photosynthesis occurs in the dark. 
A) Proteobacterial photosynthesis uses a different molecule than chlorophyll. 
B) Proteobacterial photosynthesis does not produce oxygen. 
C) Proteobacterial photosynthesis uses water as an electron donor. 
D) Proteobacterial photosynthesis uses a different molecule than chlorophyll and does not produce oxygen 
E) Proteobacterial photosynthesis occurs in the dark.

Exam 26: Prokaryotes and Viruses

The process of nitrification is the conversion of ____. ​

Answer the question using the accompanying figure. Which numbers identify structures that are found in all prokaryotes? ​

Why is nitrogen fixation by prokaryotes essential to life on Earth? ​

DNA in prokaryotes is found in ____.

After performing a Gram stain on a mixed culture of Gram-positive and Gram-negative cells, you realize that you omitted the iodine step. What would you expect to see if you observed the slide under the microscope? ​

Bacterial flagella ____. ​

The presence of branched membrane lipids with ether linkages is a characteristic of ____.

Most of the bacteria that cause human disease are ____. ​

Which type of bacteria can grow in the presence or absence of oxygen? ​

Prokaryotes ____.

Methanogens are classified as ____. ​

Plaque is _____ caused by _____. ​

How many distinct evolutionary branches exist in the domain Archaea, as revealed by genome sequencing studies? ​

In biological nitrogen-fixation, ____.

A Gram-positive bacterium is characterized by the ____. ​

In which of the following ways is proteobacterial photosynthesis different from plant photosynthesis? ​

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

DNA Structure, Replication, and Organization

From DNA to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technologies: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Animal Nutrition

Regulating the Internal Environment

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

Filters

The process of nitrification is the conversion of ____.

Answer the question using the accompanying figure. Which numbers identify structures that are found in all prokaryotes?

Why is nitrogen fixation by prokaryotes essential to life on Earth?

After performing a Gram stain on a mixed culture of Gram-positive and Gram-negative cells, you realize that you omitted the iodine step. What would you expect to see if you observed the slide under the microscope?

Bacterial flagella ____.

Most of the bacteria that cause human disease are ____.

Which type of bacteria can grow in the presence or absence of oxygen?

Methanogens are classified as ____.

Plaque is _ caused by _.

How many distinct evolutionary branches exist in the domain Archaea, as revealed by genome sequencing studies?

A Gram-positive bacterium is characterized by the ____.

In which of the following ways is proteobacterial photosynthesis different from plant photosynthesis?