Question 1

All fungi cause some kind of disease in plants or animals.

Accepted Answer

A) True 
 B)False

Question 2

A specimen from a patient suffering diarrhea shows a one-celled organism in the microscope. The organism moves very slowly by protruding its cytoplasm. You would predict that the patient has an infection caused by ______.

Accepted Answer

A)   Entamoeba
B)   Trichomonas
C)   Toxoplasma
D)   Plasmodium
E)   GiardiaF) C) and D)
G) A) and D)

Question 3

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

Accepted Answer

A)   seed
B)   sporozoa
C)   endospore
D)   trophozoite
E)   cystF) C) and D)
G) None of the above

Question 4

The site for ribosomal RNA synthesis is the ______.

Accepted Answer

A)   lysosome
B)   nucleus
C)   nucleolus
D)   Golgi apparatus
E)   ribosomeF) B) and E)
G) D) and E)

Question 5

There are nine peripheral pairs and one central pair of _____ found inside eukaryotic ﬂagella and cilia.

Accepted Answer

A)   endoﬂagella
B)   cilia
C)   ﬁlaments
D)   active proteins
E)   microtubulesF) B) and C)
G) A) and E)

Question 6

Which of the following does not pertain to helminths?

Accepted Answer

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

Question 7

All algae have chloroplasts.

Accepted Answer

A) True 
 B)False

Question 8

All fungi can form hyphae.

Accepted Answer

A) True 
 B)False

Question 9

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)   de?nitive
C)   primary
D)   intermediate and de?nitiveE) A) and B)
F) A) and C)

Question 10

The plasma cells of the immune system are responsible for secreting protein antibodies into the bloodstream. Within the plasma cell, the antibody moves through several organelles in what order?

Accepted Answer

A)   Ribosomes, Golgi apparatus, endoplasmic reticulum, lysosome
B)   Ribosomes, endoplasmic reticulum, nucleolus, Golgi apparatus, vesicles
C)   Ribosomes, vesicles, endoplasmic reticulum, Golgi apparatus
D)   Ribosomes, endoplasmic reticulum, Golgi apparatus, vesicles
E)   Ribosomes, Golgi apparatus, endoplasmic reticulum, vesiclesF) B) and D)
G) A) and B)

Question 11

A saprobe differs from a parasite in that _______.

Accepted Answer

A)   a saprobe has the ability to undergo meiosis to produce sexual spores, but a parasite can only perform mitosis to produce asexual spores
B)   a saprobe has a pseudohyphae morphology, but a parasite has true hyphae
C)   a saprobe is a fungus, but a parasite is a protozoan
D)   a saprobe derives nutrients from dead plants and animals, but a parasite derives nutrients from living plants and animalsE) All of the above
F) A) and B)

Question 12

The intertwined mass of hyphae that constitutes the body of a mold is a ______.

Accepted Answer

A)   stock
B)   rhizoid
C)   mycelium
D)   stem
E)   budF) A) and C)
G) A) and E)

Question 13

A group of protozoa that are not motile are the ______.

Accepted Answer

A)   amoebas
B)   dimorphics
C)   Plasmodium sp.
D)   trophozoites
E)   ciliatesF) B) and C)
G) A) and E)

Question 14

The cytoskeleton _______.

Accepted Answer

A)   anchors organelles
B)   provides architectural support
C)   functions in movements of the cytoplasm
D)   helps maintain cell shape
E)   All of the choices are correct.F) All of the above
G) A) and B)

Question 15

There are no algae that can cause human disease.

Accepted Answer

A) True 
 B)False

Question 16

The long, thread-like branching cells of molds are called ______.

Accepted Answer

A)   asci
B)   septa
C)   conidiophores
D)   hyphae
E)   pseudohyphaeF) A) and B)
G) A) and C)

Question 17

Choose the correct order of the three main types of cytoskeletal elements in increasing order of size.

Accepted Answer

A)   Microtubules, cilia, ﬂagella
B)   Actin ﬁlaments, intermediate ﬁlaments, microtubules
C)   Actin ﬁlaments, intermediate ﬁlaments, ﬂagella
D)   Microtubules, intermediate ﬁlaments, actin ﬁlaments
E)   Microtubules, ﬂagella, ciliaF) A) and B)
G) A) and C)

Question 18

Larvae and eggs are developmental forms of ______.

Accepted Answer

A)   protozoa
B)   yeasts
C)   fungi
D)   helminths
E)   algaeF) B) and D)
G) A) and E)

Question 19

Amoebic dysentery is most commonly contracted through _______.

Accepted Answer

A)   insect bites
B)   contaminated blood products
C)   the fecal-oral route from contaminated food or water
D)   direct transmission from one host to another
E)   puncture woundsF) C) and D)
G) B) and D)

Question 20

Fungi reproduce sexually less frequently than asexually. What might be the reason behind this infrequency of sexual reproduction?

Accepted Answer

A)   Sexual reproduction requires two genetically different strains of the fungus to come together.
B)   Sexual reproduction is more energy-intensive than asexual reproduction.
C)   In asexual reproduction, one parent divides.
D)   All of the choices are correct.E) All of the above
F) A) and D)

Exam 5: Eukaryotic Cells and Microorganisms

The intertwined mass of hyphae that constitutes the body of a mold is a ______.

Correct Answer
verified

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

Correct Answer
verified

There are no algae that can cause human disease.

Correct Answer
verified

A saprobe differs from a parasite in that _______.

Correct Answer
verified

The plasma cells of the immune system are responsible for secreting protein antibodies into the bloodstream. Within the plasma cell, the antibody moves through several organelles in what order?

Correct Answer
verified

There are nine peripheral pairs and one central pair of _____ found inside eukaryotic ﬂagella and cilia.

Correct Answer
verified

Fungi reproduce sexually less frequently than asexually. What might be the reason behind this infrequency of sexual reproduction?

Correct Answer
verified

The long, thread-like branching cells of molds are called ______.

Correct Answer
verified

A group of protozoa that are not motile are the ______.

Correct Answer
verified

A specimen from a patient suffering diarrhea shows a one-celled organism in the microscope. The organism moves very slowly by protruding its cytoplasm. You would predict that the patient has an infection caused by ______.

Correct Answer
verified

The site for ribosomal RNA synthesis is the ______.

Correct Answer
verified

All fungi cause some kind of disease in plants or animals.

Correct Answer
verified

All algae have chloroplasts.

Correct Answer
verified

Choose the correct order of the three main types of cytoskeletal elements in increasing order of size.

Correct Answer
verified

All fungi can form hyphae.

Correct Answer
verified

Amoebic dysentery is most commonly contracted through _______.

Correct Answer
verified

Which of the following does not pertain to helminths?

Correct Answer
verified

The cytoskeleton _______.

Correct Answer
verified

Correct Answer
verified

Larvae and eggs are developmental forms of ______.

Correct Answer
verified

Exam 5: Eukaryotic Cells and Microorganisms

The intertwined mass of hyphae that constitutes the body of a mold is a ______.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

There are no algae that can cause human disease.

Correct AnswerverifiedShow Answer

A saprobe differs from a parasite in that _______.

Correct AnswerverifiedShow Answer

The plasma cells of the immune system are responsible for secreting protein antibodies into the bloodstream. Within the plasma cell, the antibody moves through several organelles in what order?

Correct AnswerverifiedShow Answer

There are nine peripheral pairs and one central pair of _____ found inside eukaryotic ﬂagella and cilia.

Correct AnswerverifiedShow Answer

Fungi reproduce sexually less frequently than asexually. What might be the reason behind this infrequency of sexual reproduction?

Correct AnswerverifiedShow Answer

The long, thread-like branching cells of molds are called ______.

Correct AnswerverifiedShow Answer

A group of protozoa that are not motile are the ______.

Correct AnswerverifiedShow Answer

A specimen from a patient suffering diarrhea shows a one-celled organism in the microscope. The organism moves very slowly by protruding its cytoplasm. You would predict that the patient has an infection caused by ______.

Correct AnswerverifiedShow Answer

The site for ribosomal RNA synthesis is the ______.

Correct AnswerverifiedShow Answer

All fungi cause some kind of disease in plants or animals.

Correct AnswerverifiedShow Answer

All algae have chloroplasts.

Correct AnswerverifiedShow Answer

Choose the correct order of the three main types of cytoskeletal elements in increasing order of size.

Correct AnswerverifiedShow Answer

All fungi can form hyphae.

Correct AnswerverifiedShow Answer

Amoebic dysentery is most commonly contracted through _______.

Correct AnswerverifiedShow Answer

Which of the following does not pertain to helminths?

Correct AnswerverifiedShow Answer

The cytoskeleton _______.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Larvae and eggs are developmental forms of ______.

Correct AnswerverifiedShow Answer

Correct Answer
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