Question 1

The ____ are potentially pathogenic to humans. ​

Accepted Answer

A) Archaea 
B) Bacteria 
C) Archaea and Bacteria 
D) cyanobacteria 
E) methanogens 
A) Archaea 
B) Bacteria 
C) Archaea and Bacteria 
D) cyanobacteria 
E) methanogens

Question 2

In order to prove that a bacterium is pathological according to Koch's postulates, the ____. ​

Accepted Answer

A) bacteria must be present in most cases of the disease 
B) bacteria must be isolated from the infected host and grown in mixed culture 
C) specific disease must be induced when a pure culture of the bacteria is introduced into a healthy host 
D) bacteria must be isolated from a transfer host 
E) bacterium must produce spores that can be transmitted from one individual to another 
A) bacteria must be present in most cases of the disease 
B) bacteria must be isolated from the infected host and grown in mixed culture 
C) specific disease must be induced when a pure culture of the bacteria is introduced into a healthy host 
D) bacteria must be isolated from a transfer host 
E) bacterium must produce spores that can be transmitted from one individual to another

Question 3

Biofilms ____. ​

Accepted Answer

A) are formed by prokaryotes living in a watery environment 
B) may develop on surgical implants 
C) are exemplified by dental plaque 
D) are formed by prokaryotes living in a watery environment and may develop on surgical implants 
E) are formed by prokaryotes living in a watery environment, may develop on surgical implants, and are exemplified by dental plaque 
A) are formed by prokaryotes living in a watery environment 
B) may develop on surgical implants 
C) are exemplified by dental plaque 
D) are formed by prokaryotes living in a watery environment and may develop on surgical implants 
E) are formed by prokaryotes living in a watery environment, may develop on surgical implants, and are exemplified by dental plaque

Question 4

Formylmethionine is the first amino acid in proteins in ____. ​

Accepted Answer

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

Question 5

Figure 26.2 ; note that B, D, and E are domains.
Answer the question using the accompanying figure. Which branch of this phylogenetic tree identifies the common ancestor of all modern organisms? ​

Accepted Answer

A) ​A 
B) ​B 
C) ​C 
D) ​D 
E) ​E 
A) ​A 
B) ​B 
C) ​C 
D) ​D 
E) ​E

Question 6

What are the primary evolutionary mechanisms that result in the great diversity and adaptation in prokaryotes?

Accepted Answer

Genetic variability primarily arises due

Question 7

The three domains of life are ____.

Accepted Answer

A) eukaryotes, prokaryotes, and viruses 
B) animals, plants, and microorganisms 
C) Prokaryota, Eukaryota, and Protostista 
D) Archaebacteria, Eubacteria, and Eukaryota 
E) Archaea, Bacteria, and Eukarya 
A) eukaryotes, prokaryotes, and viruses 
B) animals, plants, and microorganisms 
C) Prokaryota, Eukaryota, and Protostista 
D) Archaebacteria, Eubacteria, and Eukaryota 
E) Archaea, Bacteria, and Eukarya

Question 8

The botulism toxin ____. ​

Accepted Answer

A) is an endotoxin 
B) is produced by an extremophile 
C) may be found as a contaminant in expired food 
D) is marketed as Botox 
E) causes muscles to contract 
A) is an endotoxin 
B) is produced by an extremophile 
C) may be found as a contaminant in expired food 
D) is marketed as Botox 
E) causes muscles to contract

Question 9

The ____ contain Gram-positive and Gram-negative species. ​

Accepted Answer

A) Archaea 
B) Bacteria 
C) Archaea and Bacteria 
D) extremophiles 
E) methanogens 
A) Archaea 
B) Bacteria 
C) Archaea and Bacteria 
D) extremophiles 
E) methanogens

Question 10

Answer the question using the accompanying figure. Which branch of this phylogenetic tree identifies a kingdom? ​

Accepted Answer

A) C 
B) D 
C) E 
D) D and E 
E) C, D, and E 
A) C 
B) D 
C) E 
D) D and E 
E) C, D, and E

Question 11

Match between columns
                        Premises: Methanococcus

Accepted Answer

The Answer of produces CHS1U1B14S1U1B0  and releases oxygen as is...

Question 12

Match between columns
                        Premises: Pyrophilus

Accepted Answer

The Answer of causes gastric ulcers and releases oxygen as is...

Question 13

Prokaryotes were split into two domains based on differences in ____. ​

Accepted Answer

A) staining characteristics 
B) metabolic capabilities 
C) rRNA sequences 
D) cell membrane properties 
E) cell wall composition 
A) staining characteristics 
B) metabolic capabilities 
C) rRNA sequences 
D) cell membrane properties 
E) cell wall composition

Question 14

An organism that obtains its energy from sunlight is a(n)____. ​

Accepted Answer

A) autotroph 
B) auxotroph 
C) heterotroph 
D) chemotroph 
E) phototroph 
A) autotroph 
B) auxotroph 
C) heterotroph 
D) chemotroph 
E) phototroph

Question 15

The major structural component of bacterial cell walls is ____. ​

Accepted Answer

A) cellulose 
B) chitin 
C) proteoglycan 
D) peptidoglycan 
E) arabinogalactan 
A) cellulose 
B) chitin 
C) proteoglycan 
D) peptidoglycan 
E) arabinogalactan

Question 16

A slime coat called peptidoglycan covers the walls of many bacteria. ​

Accepted Answer

A) True 
 B)False

Question 17

A lichen is sometimes a symbiotic association between a proteobacterium and a fungus.

Accepted Answer

A) True 
 B)False

Question 18

Answer the question using the accompanying figure. Which number identifies a structure that aids in attachment? ​

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 7 
E) 8 
A) 1 
B) 2 
C) 3 
D) 7 
E) 8

Question 19

Prokaryotes typically undergo ____ via the process of ____. ​

Accepted Answer

A) asexual reproduction; mitosis 
B) sexual reproduction; meiosis 
C) asexual reproduction; binary fission 
D) sexual reproduction; binary fission 
E) asexual reproduction; budding 
A) asexual reproduction; mitosis 
B) sexual reproduction; meiosis 
C) asexual reproduction; binary fission 
D) sexual reproduction; binary fission 
E) asexual reproduction; budding

Question 20

Archaeans like Sulfolobus have multiple origins of replication.  This suggests that they ____. ​

Accepted Answer

A) are more like bacteria than eukaryotes 
B) are more like eukaryotes than bacteria 
C) have a unique form of chromosomal replication 
D) have multiple plasmids, whose replication must be coordinated 
E) have multiple chromosomes 
A) are more like bacteria than eukaryotes 
B) are more like eukaryotes than bacteria 
C) have a unique form of chromosomal replication 
D) have multiple plasmids, whose replication must be coordinated 
E) have multiple chromosomes

Exam 26: Prokaryotes and Viruses

The ____ are potentially pathogenic to humans. ​

In order to prove that a bacterium is pathological according to Koch's postulates, the ____. ​

Biofilms ____. ​

Formylmethionine is the first amino acid in proteins in ____. ​

Figure 26.2 ; note that B, D, and E are domains. Answer the question using the accompanying figure. Which branch of this phylogenetic tree identifies the common ancestor of all modern organisms? ​

What are the primary evolutionary mechanisms that result in the great diversity and adaptation in prokaryotes?

The three domains of life are ____.

The botulism toxin ____. ​

The ____ contain Gram-positive and Gram-negative species. ​

Answer the question using the accompanying figure. Which branch of this phylogenetic tree identifies a kingdom? ​

Prokaryotes were split into two domains based on differences in ____. ​

An organism that obtains its energy from sunlight is a(n)____. ​

The major structural component of bacterial cell walls is ____. ​

A slime coat called peptidoglycan covers the walls of many bacteria. ​

A lichen is sometimes a symbiotic association between a proteobacterium and a fungus.

Answer the question using the accompanying figure. Which number identifies a structure that aids in attachment? ​

Prokaryotes typically undergo ____ via the process of ____. ​

Archaeans like Sulfolobus have multiple origins of replication. This suggests that they ____. ​

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 ____ are potentially pathogenic to humans.

In order to prove that a bacterium is pathological according to Koch's postulates, the ____.

Biofilms ____.

Formylmethionine is the first amino acid in proteins in ____.

Figure 26.2 ; note that B, D, and E are domains. Answer the question using the accompanying figure. Which branch of this phylogenetic tree identifies the common ancestor of all modern organisms?

The botulism toxin ____.

The ____ contain Gram-positive and Gram-negative species.

Answer the question using the accompanying figure. Which branch of this phylogenetic tree identifies a kingdom?

Prokaryotes were split into two domains based on differences in ____.

An organism that obtains its energy from sunlight is a(n)____.

The major structural component of bacterial cell walls is ____.

A slime coat called peptidoglycan covers the walls of many bacteria.

Answer the question using the accompanying figure. Which number identifies a structure that aids in attachment?

Prokaryotes typically undergo via the process of .

Archaeans like Sulfolobus have multiple origins of replication. This suggests that they ____.