Question 1

Which of the following statements about generalized transduction is false?

Accepted Answer

A) "Headfull" packaging always places only phage DNA into the phage head during phage packaging in generalized transduction. 
B) Generalized transduction always involves lytic phage. 
C) Generalized transduction can be used to map bacterial genes. 
D) Genes that are close together on the bacterial chromosome will have a relatively large cotransduction frequency. 
E) Two recombination events are necessary to integrate the transferred DNA during generalized transduction. 
A) "Headfull" packaging always places only phage DNA into the phage head during phage packaging in generalized transduction. 
B) Generalized transduction always involves lytic phage. 
C) Generalized transduction can be used to map bacterial genes. 
D) Genes that are close together on the bacterial chromosome will have a relatively large cotransduction frequency. 
E) Two recombination events are necessary to integrate the transferred DNA during generalized transduction.

Question 2

In some bacteria,a capsule surrounds the cell wall.It is made up of

Accepted Answer

A) a lipopolysaccharide. 
B) peptidoglycan. 
C) gelatin. 
D) pili. 
E) glycoprotein. 
A) a lipopolysaccharide. 
B) peptidoglycan. 
C) gelatin. 
D) pili. 
E) glycoprotein.

Question 3

Dental plaque (a biofilm),a first stage in tooth decay,consists of

Accepted Answer

A) sugars. 
B) bacteria surrounded by a polysaccharide matrix. 
C) fluoride. 
D) lactic aciD. 
E) bacteria and high pH. 
A) sugars. 
B) bacteria surrounded by a polysaccharide matrix. 
C) fluoride. 
D) lactic aciD. 
E) bacteria and high pH.

Question 4

Choose letter of the best match from the following:
-Transfer of nucleic acid from cell to cell via an F pilus.

Accepted Answer

A) conjugation 
B) plasmid 
C) transduction (generalized) 
D) transduction (specialized) 
E) transformation (artificial)
F)transformation (natural) 
A) conjugation 
B) plasmid 
C) transduction (generalized) 
D) transduction (specialized) 
E) transformation (artificial)
F)transformation (natural)

Question 5

Current classification of prokaryotes is based on

Accepted Answer

A) morphology of flagellA. 
B) sequencing of proteins,DNA,and RNA. 
C) occurrence of transverse binary fission. 
D) type of colony formation. 
E) ability to stain the cell wall with Gram stain. 
A) morphology of flagellA. 
B) sequencing of proteins,DNA,and RNA. 
C) occurrence of transverse binary fission. 
D) type of colony formation. 
E) ability to stain the cell wall with Gram stain.

Question 6

Choose letter of the best match from the following:
-Gene transfer achieved in the laboratory.

Accepted Answer

A) conjugation 
B) plasmid 
C) transduction (generalized) 
D) transduction (specialized) 
E) transformation (artificial)
F)transformation (natural) 
A) conjugation 
B) plasmid 
C) transduction (generalized) 
D) transduction (specialized) 
E) transformation (artificial)
F)transformation (natural)

Question 7

Which of the following is not a shape seen in prokaryotes?

Accepted Answer

A) cocci 
B) bacilli 
C) spirals 
D) helicals 
E) icosahedrals 
A) cocci 
B) bacilli 
C) spirals 
D) helicals 
E) icosahedrals

Question 8

Which of the following statements about sexually transmitted diseases (STDs)is false?

Accepted Answer

A) Gonorrhea,syphilis,and chlamydia are all transmitted through sexual contact. 
B) Because chlamydia has both bacterial and viral characteristics,it cannot be treated with antibiotics. 
C) Chlamydia is known as the "silent STD." 
D) The incidence of chlamydia has increased as gonorrhea has decreaseD. 
E) Syphilis can be transmitted to fetus. 
A) Gonorrhea,syphilis,and chlamydia are all transmitted through sexual contact. 
B) Because chlamydia has both bacterial and viral characteristics,it cannot be treated with antibiotics. 
C) Chlamydia is known as the "silent STD." 
D) The incidence of chlamydia has increased as gonorrhea has decreaseD. 
E) Syphilis can be transmitted to fetus.

Question 9

Prokaryotic cell walls consist of a network of polysaccharide molecules connected by cross-links of

Accepted Answer

A) other polysaccharides. 
B) lipids. 
C) polypeptides. 
D) ribosomes. 
E) chromosomal DNA. 
A) other polysaccharides. 
B) lipids. 
C) polypeptides. 
D) ribosomes. 
E) chromosomal DNA.

Question 10

Genetic engineering technology is being applied to use bacteria in all of the following areas except

Accepted Answer

A) antibiotic production. 
B) bioremediation. 
C) bioweapons. 
D) making human proteins. 
E) specialized transduction. 
A) antibiotic production. 
B) bioremediation. 
C) bioweapons. 
D) making human proteins. 
E) specialized transduction.

Question 11

Prokaryotes that harvest both energy and carbon atoms from organic molecules are called

Accepted Answer

A) photoautotrophs. 
B) chemoautotrophs. 
C) photoheterotrophs. 
D) chemoheterotrophs. 
E) nitrogen fixers. 
A) photoautotrophs. 
B) chemoautotrophs. 
C) photoheterotrophs. 
D) chemoheterotrophs. 
E) nitrogen fixers.

Question 12

Most bacteria that cause plant diseases are members of the group of rod-shaped bacteria known as _________________.

Accepted Answer

The answer of Most bacteria that cause plant diseases are...

Question 13

Which of the following differences between Archaebacteria and Bacteria is correct?

Accepted Answer

A) Archaebacteria have peptidoglycans in their cell walls.Bacteria do not have peptidoglycans in their cell walls. 
B) Archaebacteria and Bacteria have different lipids in their bilipid layer of the plasma membranes. 
C) Archaebacteria and Bacteria have ribosomal proteins and an RNA polymerase that are distinctly different from eukaryotes,however bacteria ribosomal proteins are different from eukaryotes,while Archaebacteria ribosomal proteins are very similar. 
D) Genes of most Archaebacteria are not interrupted by introns,whereas intorns interrupt bacteria genes. 
A) Archaebacteria have peptidoglycans in their cell walls.Bacteria do not have peptidoglycans in their cell walls. 
B) Archaebacteria and Bacteria have different lipids in their bilipid layer of the plasma membranes. 
C) Archaebacteria and Bacteria have ribosomal proteins and an RNA polymerase that are distinctly different from eukaryotes,however bacteria ribosomal proteins are different from eukaryotes,while Archaebacteria ribosomal proteins are very similar. 
D) Genes of most Archaebacteria are not interrupted by introns,whereas intorns interrupt bacteria genes.

Question 14

In addition to viruses,such as HIV,a number of species of bacteria also cause sexually transmitted diseases or _______________.

Accepted Answer

The answer of In addition to viruses,such as HIV,a number...

Question 15

Archaea differ from Bacteria in all of the following except

Accepted Answer

A) cell wall composition. 
B) plasma membrane make up. 
C) DNA replication. 
D) gene expression. 
E) the presence of a nucleoid region. 
A) cell wall composition. 
B) plasma membrane make up. 
C) DNA replication. 
D) gene expression. 
E) the presence of a nucleoid region.

Question 16

Which one of the following is not a characteristic of all prokaryotes?

Accepted Answer

A) found in every habitat 
B) metabolically versatile 
C) first cells on Earth 
D) unicellular 
E) cell walls constructed of peptidoglycan 
A) found in every habitat 
B) metabolically versatile 
C) first cells on Earth 
D) unicellular 
E) cell walls constructed of peptidoglycan

Question 17

Genetic diversity in bacteria is created by mutation and ___________.

Accepted Answer

The answer of Genetic diversity in bacteria is created by...

Question 18

You expose a tube of bacteria to ultraviolet radiation to induce mutations.You then spread the bacteria on a plate containing minimal media and wait until separate colonies form.Finally,you use replicate plating to transfer a print of this plate to an additional sterile plate containing minimal media plus a known required nutrient for the bacteria.Based on this protocol,colonies growing on the plate lacking a required nutrient would include what type of cells?

Accepted Answer

A) only wild-type bacteria 
B) only bacteria mutant for the supplied nutrient 
C) only mutant bacteria but not those mutant for the supplied nutrient 
D) wild-type bacteria and bacteria mutant for the supplied nutrient 
E) wild-type bacteria and all mutant bacteria except those mutant for the supplied nutrient 
A) only wild-type bacteria 
B) only bacteria mutant for the supplied nutrient 
C) only mutant bacteria but not those mutant for the supplied nutrient 
D) wild-type bacteria and bacteria mutant for the supplied nutrient 
E) wild-type bacteria and all mutant bacteria except those mutant for the supplied nutrient

Question 19

The data below shows recombination of genes (1-5)according to the amount of time available for transfer of the bacterial chromosome during conjugation between different genetic strains in E coli? Based on these data,which gene is closest to gene 1? (Note: The entire chromosome is transferred in 100 minutes. )

Accepted Answer

A) gene 2 
B) gene 3 
C) gene 4 
D) gene 5 
A) gene 2 
B) gene 3 
C) gene 4 
D) gene 5

Question 20

The earliest fossilized forms of microscopic life,known as ___________,were prokaryotes.

Accepted Answer

The answer of The earliest fossilized forms of microscopic life,known...

Exam 28: Prokaryotes

Which of the following statements about generalized transduction is false?

In some bacteria,a capsule surrounds the cell wall.It is made up of

Dental plaque (a biofilm),a first stage in tooth decay,consists of

Choose letter of the best match from the following: -Transfer of nucleic acid from cell to cell via an F pilus.

Current classification of prokaryotes is based on

Choose letter of the best match from the following: -Gene transfer achieved in the laboratory.

Which of the following is not a shape seen in prokaryotes?

Which of the following statements about sexually transmitted diseases (STDs)is false?

Prokaryotic cell walls consist of a network of polysaccharide molecules connected by cross-links of

Genetic engineering technology is being applied to use bacteria in all of the following areas except

Prokaryotes that harvest both energy and carbon atoms from organic molecules are called

Most bacteria that cause plant diseases are members of the group of rod-shaped bacteria known as _________________.

Which of the following differences between Archaebacteria and Bacteria is correct?

In addition to viruses,such as HIV,a number of species of bacteria also cause sexually transmitted diseases or _______________.

Archaea differ from Bacteria in all of the following except

Which one of the following is not a characteristic of all prokaryotes?

Genetic diversity in bacteria is created by mutation and ___________.

The earliest fossilized forms of microscopic life,known as ___________,were prokaryotes.

The Science of Biology

The Nature of Molecules

The Chemical Building Blocks of Life

Cell Structure

Membranes

Energy and Metabolism

How Cells Harvest Energy

Photosynthesis

Cell Communication

How Cells Divide

Sexual Reproduction and Meiosis

Patterns of Inheritance

Chromosomes Mapping and the Meiosis - Inheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

Genomics

Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics and the Phylogenetic Revolution

Genome Evolution

Evolution of Development

The Tree of Life

Viruses

Protists

Overview of Green Plants

Fungi

Overview of Animal Diversity

Noncoelomate Invertebrates

Coelomate Invertebrates

Vertebrates

Plant Form

Vegetative Plant Development

Transport in Plants

Plant Nutrition and Soils

Plant Defense Responses

Sensory Systems in Plants

Plant Reproduction

The Animal Body and Principles of Regulation

The Nervous System

Sensory Systems

The Endocrine System

The Musculoskeletal System

The Digestive System

The Respiratory System

The Circulatory System

Osmotic Regulation and the Urinary System

The Immune System

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Animal Development

Behavioral Biology

Population Ecology

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Dynamics of Ecosystems

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