Question 1

Chitin,a component of the fungal cell wall,is a polymer composed of _____.

Accepted Answer

A)  amino acids 
B)  glucose 
C)  acetyl-glucosamine 
D)  silica dioxide 
E)  dipicolinic acid 
A)  amino acids 
B)  glucose 
C)  acetyl-glucosamine 
D)  silica dioxide 
E)  dipicolinic acid

Question 2

Molecular chaperones are proteins involved in which eukaryal cell process?

Accepted Answer

A)  transcription 
B)  translation 
C)  mitosis 
D)  protein folding 
E)  energy production 
A)  transcription 
B)  translation 
C)  mitosis 
D)  protein folding 
E)  energy production

Question 3

The best way to classify all eukaryal microbes is to group them into the Protist kingdom.

Accepted Answer

A) True 
 B)False

Question 4

All eukaryal microbes possess cell walls.

Accepted Answer

A) True 
 B)False

Question 5

What is the function of sterols in the eukaryal membrane?

Accepted Answer

A)  To increase membrane fluidity. 
B)  To help stabilize the membrane. 
C)  To aid in transport of nutrients into the cell. 
D)  To participate in the synthesis and assembly of lipids in the membrane. 
E)  To contribute to cell movement. 
A)  To increase membrane fluidity. 
B)  To help stabilize the membrane. 
C)  To aid in transport of nutrients into the cell. 
D)  To participate in the synthesis and assembly of lipids in the membrane. 
E)  To contribute to cell movement.

Question 6

Trypanosoma brucei is transmitted to humans by the tsetse fly and causes which disease?

Accepted Answer

A)  malaria 
B)  histoplasmosis 
C)  African sleeping sickness 
D)  cryptosporidiosis 
E)  tuberculosis 
A)  malaria 
B)  histoplasmosis 
C)  African sleeping sickness 
D)  cryptosporidiosis 
E)  tuberculosis

Question 7

The eukaryal cell emerged on Earth approximately ______ years ago.

Accepted Answer

A)  four billion 
B)  three billion 
C)  two billion 
D)  one billion 
E)  500 million 
A)  four billion 
B)  three billion 
C)  two billion 
D)  one billion 
E)  500 million

Question 8

Which one of the following statements DOES NOT support the Endosymbiotic Theory for the origin of mitochondria?

Accepted Answer

A)  The mitochondria divides by binary fission. 
B)  The mitochondria contains DNA related to bacterial DNA. 
C)  The mitochondria contains lipids similar to bacterial lipids. 
D)  The mitochondria replicates on the same cycle as the nucleus. 
E)  The mitochondria is the approximate shape and size of a bacterium. 
A)  The mitochondria divides by binary fission. 
B)  The mitochondria contains DNA related to bacterial DNA. 
C)  The mitochondria contains lipids similar to bacterial lipids. 
D)  The mitochondria replicates on the same cycle as the nucleus. 
E)  The mitochondria is the approximate shape and size of a bacterium.

Question 9

Eukaryal proteins undergo various chemical modifications after the translational process to ensure correct folding of the protein for optimal activity.Which of these are examples of such modifications?

Accepted Answer

A)  hydrogen bond formation and disulfide bond formation 
B)  attachment of lipids and glucose molecules 
C)  acetylation and phosphorylation 
D)  hydrogen bond formation, disulfide bond formation, acetylation and phosphorylation are correct 
E)  all of these choices are correct 
A)  hydrogen bond formation and disulfide bond formation 
B)  attachment of lipids and glucose molecules 
C)  acetylation and phosphorylation 
D)  hydrogen bond formation, disulfide bond formation, acetylation and phosphorylation are correct 
E)  all of these choices are correct

Question 10

When the fungus Saccharomyces cerevisiae completes meiosis,the resulting ascospores:

Accepted Answer

A)  always combine to form a diploid cell. 
B)  will continue to replicate asexually as haploid cells. 
C)  may combine to form a diploid cell or replicate as haploid cells. 
D)  are all genetically identical. 
E)  will immediately undergo meiosis a second time. 
A)  always combine to form a diploid cell. 
B)  will continue to replicate asexually as haploid cells. 
C)  may combine to form a diploid cell or replicate as haploid cells. 
D)  are all genetically identical. 
E)  will immediately undergo meiosis a second time.

Question 11

What is the defining organelle of eukaryal cells?

Accepted Answer

A)  mitochondron 
B)  chloroplast 
C)  Golgi apparatus 
D)  nucleus 
E)  lysosome 
A)  mitochondron 
B)  chloroplast 
C)  Golgi apparatus 
D)  nucleus 
E)  lysosome

Question 12

Describe how proteins made in the cytoplasm of eukaryal cells arrive at their correct destination,such as the mitochondria or nucleus.

Accepted Answer

Proteins made in the cytoplasm of eukary

Question 13

What are the main eukaryal pathogens of plants?

Accepted Answer

A)  slime molds 
B)  fungi 
C)  protozoans 
D)  amoebas 
E)  algae 
A)  slime molds 
B)  fungi 
C)  protozoans 
D)  amoebas 
E)  algae

Question 14

Which of these diseases is caused by Entamoeba histolytica?

Accepted Answer

A)  severe dysentery 
B)  malaria 
C)  pneumonia 
D)  tuberculosis 
E)  African sleeping sickness 
A)  severe dysentery 
B)  malaria 
C)  pneumonia 
D)  tuberculosis 
E)  African sleeping sickness

Question 15

Mitochondria replicate independently of the host cell.

Accepted Answer

A) True 
 B)False

Question 16

What are the three major structures that comprise the eukaryal cytoskeleton?

Accepted Answer

A)  microtubules, microfilaments, and intermediate filaments 
B)  centromeres, microtubules, and microfilaments 
C)  telomeres, centromeres, and microtubules 
D)  telomeres, microtubules, and microfilaments 
E)  telomeres, centromeres, and microfilaments 
A)  microtubules, microfilaments, and intermediate filaments 
B)  centromeres, microtubules, and microfilaments 
C)  telomeres, centromeres, and microtubules 
D)  telomeres, microtubules, and microfilaments 
E)  telomeres, centromeres, and microfilaments

Question 17

Eukaryal microbes play a very important role in the digestion of ___ in the gut of ruminants.

Accepted Answer

A)  proteins 
B)  nucleic acids 
C)  phospholipids 
D)  cellulose 
E)  lactose 
A)  proteins 
B)  nucleic acids 
C)  phospholipids 
D)  cellulose 
E)  lactose

Question 18

Movement of the eukaryal cilia and flagella involves interaction between dynein motor proteins and _____ .

Accepted Answer

A)  microtubules 
B)  microfilaments 
C)  intermediate filaments 
D)  PMF driven motors in the membrane 
E)  intermediate filaments and actin 
A)  microtubules 
B)  microfilaments 
C)  intermediate filaments 
D)  PMF driven motors in the membrane 
E)  intermediate filaments and actin

Question 19

Which of these best describes chemiosmosis?

Accepted Answer

A)  The movement of water across a biological membrane into or out of a cell. 
B)  The movement of protons across a biological membrane for energy production. 
C)  The movement of organic nutrients across a biological membrane into or out of a cell. 
D)  The movement of inorganic nutrients across a biological membrane into or out of a cell. 
E)  The production of energy as a result of the reactions occurring in the glycolytic pathway. 
A)  The movement of water across a biological membrane into or out of a cell. 
B)  The movement of protons across a biological membrane for energy production. 
C)  The movement of organic nutrients across a biological membrane into or out of a cell. 
D)  The movement of inorganic nutrients across a biological membrane into or out of a cell. 
E)  The production of energy as a result of the reactions occurring in the glycolytic pathway.

Question 20

What is the slime-mold Dictyostelium discoideum commonly used to study?

Accepted Answer

A)  the fungal life cycle 
B)  evolution of multi-cellularity 
C)  flagella movement 
D)  cell wall synthesis 
E)  cyst formation 
A)  the fungal life cycle 
B)  evolution of multi-cellularity 
C)  flagella movement 
D)  cell wall synthesis 
E)  cyst formation

Exam 3: Eukaryal Microbes

Chitin,a component of the fungal cell wall,is a polymer composed of _____.

Molecular chaperones are proteins involved in which eukaryal cell process?

The best way to classify all eukaryal microbes is to group them into the Protist kingdom.

All eukaryal microbes possess cell walls.

What is the function of sterols in the eukaryal membrane?

Trypanosoma brucei is transmitted to humans by the tsetse fly and causes which disease?

The eukaryal cell emerged on Earth approximately ______ years ago.

Which one of the following statements DOES NOT support the Endosymbiotic Theory for the origin of mitochondria?

Eukaryal proteins undergo various chemical modifications after the translational process to ensure correct folding of the protein for optimal activity.Which of these are examples of such modifications?

When the fungus Saccharomyces cerevisiae completes meiosis,the resulting ascospores:

What is the defining organelle of eukaryal cells?

Describe how proteins made in the cytoplasm of eukaryal cells arrive at their correct destination,such as the mitochondria or nucleus.

What are the main eukaryal pathogens of plants?

Which of these diseases is caused by Entamoeba histolytica?

Mitochondria replicate independently of the host cell.

What are the three major structures that comprise the eukaryal cytoskeleton?

Eukaryal microbes play a very important role in the digestion of ___ in the gut of ruminants.

Movement of the eukaryal cilia and flagella involves interaction between dynein motor proteins and _____ .

Which of these best describes chemiosmosis?

What is the slime-mold Dictyostelium discoideum commonly used to study?

The Microbial World

Bacteria

Archaea

Viruses

Cultivating Microorganisms

DNA Replication and Gene Expression

Viral Replication Strategies

Bacterial Genetic Analysis

Microbial Genomics

Regulation of Gene Expression

Microbial Biotechnology

Metabolism

Biogeochemical Cycles

Microbial Ecosystems

The Microbiology of Food and Water

Microbial Symbionts

Introduction to Infectious Diseases

Innate Host Defenses Against Microbial Invasion

Adaptive Immunity

Survival in the Host

Viral Pathogenesis

Eukaryal Microbe Pathogenesis

Control of Infectious Diseases

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