Question 1

Which of the following does not pertain to helminths?

Accepted Answer

A)  Eggs and sperm used for reproduction
B)  Often alternate hosts in complex life cycles
C)  Parasitic worms
D)  Members of Kingdom Protista
E)  Have organ systemsF) C) and E)
G) B) and D)

Question 2

When fungal buds remain attached in a row following cell division, the resulting chains of yeast cells are called ______.

Accepted Answer

A)  mycelia
B)  pseudohyphae
C)  molds
D)  dimorphic
E)  septaF) A) and D)
G) A) and B)

Question 3

In the life cycle of the pinworm Enterobius, a common pediatric infection, the child carries the adult worm in his/ her intestine.The adult worm releases eggs, which are transmitted out of the body in the feces.The child will scratch the itching anal region, picking up the worm eggs and re-inserting them into his/her mouth.For this helminth life cycle, the human is the ______ host.

Accepted Answer

A)  intermediate
B)  definitive
C)  primary
D)  intermediate and definitiveE) A) and D)
F) A) and C)

Question 4

Cell walls are not typically possessed by ______.

Accepted Answer

A)  algae
B)  protozoa
C)  fungi
D)  bacteriaE) A) and B)
F) All of the above

Question 5

In humans, helminths generally infect the ______.

Accepted Answer

A)  nervous system
B)  gastrointestinal tract
C)  skin
D)  urinary tract
E)  muscular systemF) B) and E)
G) C) and E)

Question 6

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

Accepted Answer

A)  Nucleus
B)  Mitochondria
C)  Endoplasmic reticulum
D)  Lysosomes
E)  All of the choices are correct.F) A) and B)
G) A) and C)

Question 7

In producing beer and wine, humans have exploited the microbial ability to ferment sugar to alcohol.The microbes responsible for this process are ______.

Accepted Answer

A)  algae
B)  bacteria
C)  protozoans
D)  fungiE) A) and C)
F) A) and B)

Question 8

Protozoan cells do not exhibit ______.

Accepted Answer

A)  motility
B)  a cell wall
C)  heterotrophic nutrition
D)  cyst formation
E)  ectoplasm and endoplasmF) A) and D)
G) A) and E)

Question 9

Algae are classified into divisions based principally on their type of motility.

Accepted Answer

A) True 
 B)False

Question 10

The drug cytochalasin targets actin filaments in the cytoskeleton, preventing them from forming.Treatment of a cell with cytochalasin would result in its inability to ______.

Accepted Answer

A)  form cellular extensions
B)  transport substances within the cell
C)  form the nuclear envelope structure
D)  prevent mutations in its chromosomeE) A) and B)
F) C) and D)

Question 11

The glycocalyx of a eukaryotic cell is

Accepted Answer

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

Question 12

Protists include ______.

Accepted Answer

A)  yeasts and molds
B)  algae and protozoa
C)  helminths
D)  viruses
E)  bacteriaF) A) and C)
G) B) and E)

Question 13

Histones are

Accepted Answer

A)  on the surface of rough endoplasmic reticulum.
B)  found in polyribosomes.
C)  enzymes found in lysosomes.
D)  proteins of the cytoskeleton.
E)  proteins associated with DNA in the nucleus.F) A) and E)
G) A) and D)

Question 14

The motile, feeding stage of protozoa is called the ______.

Accepted Answer

A)  oocyst
B)  cyst
C)  sporozoite
D)  food vacuole
E)  trophozoiteF) A) and E)
G) B) and D)

Question 15

In the condition called athlete's foot, the fungus Trichophyton consumes the keratin protein found in hair, nails, and dead skin.Which of the following descriptors does not apply to Trichophyton?

Accepted Answer

A)  Eukaryote
B)  Parasite
C)  Saprobe
D)  HeterotrophE) None of the above
F) A) and B)

Question 16

In eukaryotic cells, which of the following organelles contain DNA?

Accepted Answer

A)  Nucleus, nucleolus, and Golgi apparatus
B)  Nucleus, chloroplast, and peroxisome
C)  Nucleus, mitochondria, and Golgi apparatus
D)  Nucleus, endoplasmic reticulum, and Golgi apparatus
E)  Nucleus, chloroplast, and mitochondrionF) None of the above
G) B) and E)

Question 17

Larval development of helminths occurs in which host?

Accepted Answer

A)  Primary host
B)  Intermediate host
C)  Definitive host
D)  Transport host
E)  Larval development takes place in all hosts.F) A) and B)
G) A) and C)

Question 18

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

Accepted Answer

A)  archaeal, cyanobacterial
B)  protozoan, algal
C)  spiral, cyanobacterial
D)  helminth, algalE) A) and B)
F) A) and C)

Question 19

Adulthood and mating of helminths occur in which host?

Accepted Answer

A)  Primary host
B)  Secondary host
C)  Definitive host
D)  Transport host
E)  Mating occurs in all hosts.F) None of the above
G) C) and D)

Question 20

Eating undercooked meat can lead to food-borne disease via helminthic infection.What is the common host for Taenia solium?

Accepted Answer

A)  Ducks
B)  Geese
C)  Cows
D)  Pigs
E)  ChickensF) None of the above
G) D) and E)

Exam 5: Eukaryotic Cells and Microorganisms

Correct Answer
verified

In the condition called athlete's foot, the fungus Trichophyton consumes the keratin protein found in hair, nails, and dead skin.Which of the following descriptors does not apply to Trichophyton?

Correct Answer
verified

Cell walls are not typically possessed by ______.

Correct Answer
verified

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

Correct Answer
verified

Protozoan cells do not exhibit ______.

Correct Answer
verified

Histones are

Correct Answer
verified

Which of the following does not pertain to helminths?

Correct Answer
verified

The glycocalyx of a eukaryotic cell is

Correct Answer
verified

The motile, feeding stage of protozoa is called the ______.

Correct Answer
verified

Algae are classified into divisions based principally on their type of motility.

Correct Answer
verified

Adulthood and mating of helminths occur in which host?

Correct Answer
verified

In eukaryotic cells, which of the following organelles contain DNA?

Correct Answer
verified

Larval development of helminths occurs in which host?

Correct Answer
verified

The drug cytochalasin targets actin filaments in the cytoskeleton, preventing them from forming.Treatment of a cell with cytochalasin would result in its inability to ______.

Correct Answer
verified

When fungal buds remain attached in a row following cell division, the resulting chains of yeast cells are called ______.

Correct Answer
verified

Eating undercooked meat can lead to food-borne disease via helminthic infection.What is the common host for Taenia solium?

Correct Answer
verified

Protists include ______.

Correct Answer
verified

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

Correct Answer
verified

In humans, helminths generally infect the ______.

Correct Answer
verified

In producing beer and wine, humans have exploited the microbial ability to ferment sugar to alcohol.The microbes responsible for this process are ______.

Correct Answer
verified

Exam 5: Eukaryotic Cells and Microorganisms

Correct AnswerverifiedShow Answer

In the condition called athlete's foot, the fungus Trichophyton consumes the keratin protein found in hair, nails, and dead skin.Which of the following descriptors does not apply to Trichophyton?

Correct AnswerverifiedShow Answer

Cell walls are not typically possessed by ______.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Protozoan cells do not exhibit ______.

Correct AnswerverifiedShow Answer

Histones are

Correct AnswerverifiedShow Answer

Which of the following does not pertain to helminths?

Correct AnswerverifiedShow Answer

The glycocalyx of a eukaryotic cell is

Correct AnswerverifiedShow Answer

The motile, feeding stage of protozoa is called the ______.

Correct AnswerverifiedShow Answer

Algae are classified into divisions based principally on their type of motility.

Correct AnswerverifiedShow Answer

Adulthood and mating of helminths occur in which host?

Correct AnswerverifiedShow Answer

In eukaryotic cells, which of the following organelles contain DNA?

Correct AnswerverifiedShow Answer

Larval development of helminths occurs in which host?

Correct AnswerverifiedShow Answer

The drug cytochalasin targets actin filaments in the cytoskeleton, preventing them from forming.Treatment of a cell with cytochalasin would result in its inability to ______.

Correct AnswerverifiedShow Answer

When fungal buds remain attached in a row following cell division, the resulting chains of yeast cells are called ______.

Correct AnswerverifiedShow Answer

Eating undercooked meat can lead to food-borne disease via helminthic infection.What is the common host for Taenia solium?

Correct AnswerverifiedShow Answer

Protists include ______.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In humans, helminths generally infect the ______.

Correct AnswerverifiedShow Answer

In producing beer and wine, humans have exploited the microbial ability to ferment sugar to alcohol.The microbes responsible for this process are ______.

Correct AnswerverifiedShow Answer

Correct Answer
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verified

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verified

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified