Question 1

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) B) and C)
F) A) and B)

Question 2

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) B) and E)
G) A) and B)

Question 3

The eukaryotic cell membrane is a bilayer of sterols.

Accepted Answer

A) True 
 B)False

Question 4

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) C) and D)

Question 5

The site for ribosomal RNA synthesis is the

Accepted Answer

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

Question 6

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) B) and C)
G) D) and E)

Question 7

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) B) and D)
G) A) and B)

Question 8

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) C) and D)
G) B) and D)

Question 9

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 E)
G) A) and B)

Question 10

Filamentous fungi are called

Accepted Answer

A)  pseudohyphae.
B)  septa.
C)  molds.
D)  dimorphic.
E)  mycelium.F) None of the above
G) B) and E)

Question 11

Infections caused by fungi are called mycoses.

Accepted Answer

A) True 
 B)False

Question 12

Protozoan endoplasm contains

Accepted Answer

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

Question 13

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) C) and D)
G) B) and D)

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

All of the following are helminths except

Accepted Answer

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

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)  reproductiveF) A) and E)
G) A) and B)

Question 18

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) A) and D)
G) All of the above

Question 19

Fungi can reproduce both sexually and asexually.

Accepted Answer

A) True 
 B)False

Question 20

The size of a eukaryotic cell ribosome is

Accepted Answer

A)  30S.
B)  40S.
C)  50S.
D)  70S.
E)  80S.F) All of the above
G) B) and D)

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

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

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The size of a eukaryotic cell ribosome is

Correct AnswerverifiedShow Answer

The eukaryotic cell membrane is a bilayer of sterols.

Correct AnswerverifiedShow Answer

All of the following are helminths except

Correct AnswerverifiedShow Answer

Protozoan endoplasm contains

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Infections caused by fungi are called mycoses.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The site for ribosomal RNA synthesis is the

Correct AnswerverifiedShow Answer

The eukaryotic cell's glycocalyx is

Correct AnswerverifiedShow Answer

Fungi can reproduce both sexually and asexually.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Mitochondria possess all of the following except

Correct AnswerverifiedShow Answer

Filamentous fungi are called

Correct AnswerverifiedShow Answer

All algae have chloroplasts.

Correct AnswerverifiedShow Answer

Protozoan cysts are

Correct AnswerverifiedShow Answer

Which of the following does not pertain to helminths?

Correct AnswerverifiedShow Answer

Correct Answer
verified

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 Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified