Question 1

The size of a eukaryotic cell ribosome is

Accepted Answer

A)  30S.
B)  40S.
C)  50S.
D)  70S.
E)  80S.F) A) and E)
G) None of the above

Question 2

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

Accepted Answer

A)  digestive
B)  nervous
C)  respiratory
D)  muscular
E)  reproductiveF) B) and E)
G) B) and D)

Question 3

Protozoan endoplasm contains

Accepted Answer

A)  ectoplasm.
B)  mitochondria.
C)  flagella.
D)  oral groves.
E)  cilia.F) A) and D)
G) None of the above

Question 4

Infections caused by fungi are called mycoses.

Accepted Answer

A) True 
 B)False

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)  virusF) All of the above
G) C) and D)

Question 6

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.F) B) and C)
G) B) and D)

Question 7

All of the following are helminths except

Accepted Answer

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

Question 8

The eukaryotic cell membrane is a bilayer of sterols.

Accepted Answer

A) True 
 B)False

Question 9

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.F) A) and C)
G) A) and B)

Question 10

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,algaeE) All of the above
F) A) and C)

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

Filamentous fungi are called

Accepted Answer

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

Question 13

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.F) A) and D)
G) A) and C)

Question 14

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.F) A) and D)
G) B) and C)

Question 15

The site for ribosomal RNA synthesis is the

Accepted Answer

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

Question 16

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 reticulumF) D) and E)
G) B) and D)

Question 17

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.F) All of the above
G) D) and E)

Question 18

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 systemsF) B) and C)
G) None of the above

Question 19

All algae have chloroplasts.

Accepted Answer

A) True 
 B)False

Question 20

Fungi can reproduce both sexually and asexually.

Accepted Answer

A) True 
 B)False

Exam 5: Eukaryotic Cells and Microorganisms

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:

Correct AnswerverifiedShow Answer

Protozoan endoplasm contains

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Fungi can reproduce both sexually and asexually.

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The eukaryotic cell membrane is a bilayer of sterols.

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The site for ribosomal RNA synthesis is the

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Infections caused by fungi are called mycoses.

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Protozoan cysts are

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All algae have chloroplasts.

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

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Mitochondria possess all of the following except

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

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Which of the following does not pertain to helminths?

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The eukaryotic cell's glycocalyx is

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Filamentous fungi are called

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

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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.

Correct AnswerverifiedShow Answer

All of the following are helminths except

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

Correct AnswerverifiedShow Answer

The size of a eukaryotic cell ribosome is

Correct AnswerverifiedShow Answer

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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.

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