Question 1

Filamentous fungi are called

Accepted Answer

A) pseudohyphae. 
B) septa. 
C) molds. 
D) dimorphic. 
E) mycelium. 
A) pseudohyphae. 
B) septa. 
C) molds. 
D) dimorphic. 
E) mycelium.

Question 2

Protozoan cysts are

Accepted Answer

A) part of all protozoan life cycles. 
B) necessary for transmission to a new host. 
C) analogous to bacterial endospores. 
D) the primary form of replication. 
E) are involved in binary fission. 
A) part of all protozoan life cycles. 
B) necessary for transmission to a new host. 
C) analogous to bacterial endospores. 
D) the primary form of replication. 
E) are involved in binary fission.

Question 3

All of the following are helminths except

Accepted Answer

A) pinworms. 
B) flukes. 
C) trypanosomes. 
D) roundworms. 
E) tapeworms. 
A) pinworms. 
B) flukes. 
C) trypanosomes. 
D) roundworms. 
E) tapeworms.

Question 4

The endosymbiotic theory says that precursor eukaryotic cells acquired flagella by endosymbiosis with a/n _____ ancestor and others gained photosynthetic ability from endosymbiosis with a/n _____ ancestor.

Accepted Answer

A) protozoan,algae 
B) archaea,cyanobacteria 
C) spirochete,cyanobacteria 
D) helminth,algae 
A) protozoan,algae 
B) archaea,cyanobacteria 
C) spirochete,cyanobacteria 
D) helminth,algae

Question 5

You are looking at an organism of some sort under the microscopic lens.It has a cell wall,no chloroplasts,and a nucleus.Your prediction would be that this organism is a/an:

Accepted Answer

A) bacterium 
B) fungus 
C) alga 
D) protozoan 
E) virus 
A) bacterium 
B) fungus 
C) alga 
D) protozoan 
E) virus

Question 6

Fungi can reproduce both sexually and asexually.

Accepted Answer

A) True 
 B)False

Question 7

Infections caused by fungi are called mycoses.

Accepted Answer

A) True 
 B)False

Question 8

Which organelle is found in algae but not found in protozoa or fungi?

Accepted Answer

A) mitochondria 
B) lysosomes 
C) Golgi apparatus 
D) chloroplasts 
E) endoplasmic reticulum 
A) mitochondria 
B) lysosomes 
C) Golgi apparatus 
D) chloroplasts 
E) endoplasmic reticulum

Question 9

Chromosomes are generally not visible in the nucleus unless the cell is undergoing nuclear division.

Accepted Answer

A) True 
 B)False

Question 10

During unfavorable growth conditions,many protozoa can convert to a resistant,dormant stage called a/an

Accepted Answer

A) endospore. 
B) cyst. 
C) seed. 
D) trophozoite. 
E) sporozoa. 
A) endospore. 
B) cyst. 
C) seed. 
D) trophozoite. 
E) sporozoa.

Question 11

Mitochondria possess all of the following except

Accepted Answer

A) enzymes for metabolism. 
B) cristae. 
C) electron transport chain proteins. 
D) enzymes for photosynthesis. 
E) 70S ribosomes. 
A) enzymes for metabolism. 
B) cristae. 
C) electron transport chain proteins. 
D) enzymes for photosynthesis. 
E) 70S ribosomes.

Question 12

Which of the following does not pertain to helminths?

Accepted Answer

A) in the kingdom Protista 
B) parasitic worms 
C) eggs and sperm used for reproduction 
D) often alternate hosts in complex life cycles 
E) have various organ systems 
A) in the kingdom Protista 
B) parasitic worms 
C) eggs and sperm used for reproduction 
D) often alternate hosts in complex life cycles 
E) have various organ systems

Question 13

Which of the following is found in eukaryotic cells but not in prokaryotic cells?

Accepted Answer

A) nucleus 
B) mitochondria 
C) endoplasmic reticulum 
D) lysosomes 
E) All of the choices are correct. 
A) nucleus 
B) mitochondria 
C) endoplasmic reticulum 
D) lysosomes 
E) All of the choices are correct.

Question 14

The size of a eukaryotic cell ribosome is

Accepted Answer

A) 30S. 
B) 40S. 
C) 50S. 
D) 70S. 
E) 80S. 
A) 30S. 
B) 40S. 
C) 50S. 
D) 70S. 
E) 80S.

Question 15

The eukaryotic cell membrane is a bilayer of sterols.

Accepted Answer

A) True 
 B)False

Question 16

All algae have chloroplasts.

Accepted Answer

A) True 
 B)False

Question 17

Parasitic helminths have a highly developed ______ system to enhance host transmission.

Accepted Answer

A) digestive 
B) nervous 
C) respiratory 
D) muscular 
E) reproductive 
A) digestive 
B) nervous 
C) respiratory 
D) muscular 
E) reproductive

Question 18

The site for ribosomal RNA synthesis is the

Accepted Answer

A) ribosome. 
B) nucleolus. 
C) nucleus. 
D) Golgi apparatus. 
E) lysosome. 
A) ribosome. 
B) nucleolus. 
C) nucleus. 
D) Golgi apparatus. 
E) lysosome.

Question 19

The eukaryotic cell's glycocalyx is

Accepted Answer

A) mostly polysaccharide. 
B) the site where many metabolic reactions occur. 
C) also called the cell wall. 
D) composed of many diverse proteins. 
E) a protective mechanism against osmotic lysis. 
A) mostly polysaccharide. 
B) the site where many metabolic reactions occur. 
C) also called the cell wall. 
D) composed of many diverse proteins. 
E) a protective mechanism against osmotic lysis.

Question 20

Protozoan endoplasm contains

Accepted Answer

A) ectoplasm. 
B) mitochondria. 
C) flagella. 
D) oral groves. 
E) cilia. 
A) ectoplasm. 
B) mitochondria. 
C) flagella. 
D) oral groves. 
E) cilia.

Exam 5: Eukaryotic Cells and Microorganisms

Filamentous fungi are called

Protozoan cysts are

All of the following are helminths except

The endosymbiotic theory says that precursor eukaryotic cells acquired flagella by endosymbiosis with a/n _____ ancestor and others gained photosynthetic ability from endosymbiosis with a/n _____ ancestor.

You are looking at an organism of some sort under the microscopic lens.It has a cell wall,no chloroplasts,and a nucleus.Your prediction would be that this organism is a/an:

Fungi can reproduce both sexually and asexually.

Infections caused by fungi are called mycoses.

Which organelle is found in algae but not found in protozoa or fungi?

Chromosomes are generally not visible in the nucleus unless the cell is undergoing nuclear division.

During unfavorable growth conditions,many protozoa can convert to a resistant,dormant stage called a/an

Mitochondria possess all of the following except

Which of the following does not pertain to helminths?

Which of the following is found in eukaryotic cells but not in prokaryotic cells?

The size of a eukaryotic cell ribosome is

The eukaryotic cell membrane is a bilayer of sterols.

All algae have chloroplasts.

Parasitic helminths have a highly developed ______ system to enhance host transmission.

The site for ribosomal RNA synthesis is the

The eukaryotic cell's glycocalyx is

Protozoan endoplasm contains

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods for the Culturing of Microscopic Analysis of Microorganisms

Prokaryotic Profiles: The Bacteria and Archaea

An Introduction to the Viruses

Microbial Nutrition, Ecology, and Growth

Microbial Metabolism: the Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering and Recombinant Dna

Physical and Chemical Control of Microbes

Drugs, Microbes, host-The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

Host Defenses I: Overview and Nonspecific Defenses

Host Defenses II: Specific Immunity and Immunization

Disorders in Immunity

Diagnosing Infections

Infectious Diseases Affecting the Skin and Eyes

Infectious Diseases Affecting the Nervous System

Infectious Diseases Affecting the Cardiovascular and Lymphatic Systems

Infectious Diseases Affecting the Respiratory System

Infectious Diseases Affecting the Gastrointestinal Tract

Infectious Diseases Affecting the Genitourinary System

Microbes and the Environment

Applied Microbiology and Food and Water Safety

Filters

The endosymbiotic theory says that precursor eukaryotic cells acquired flagella by endosymbiosis with a/n _ ancestor and others gained photosynthetic ability from endosymbiosis with a/n _ ancestor.