Question 1

Both fish and humans develop neurological symptoms and bloody skin lesions due to a sudden "bloom" of this algae.2013

Accepted Answer

A)   Prototheca
B)   Pfiesteria piscicida
C)   diatoms
D)   Phaeophyta
E)   All of these choices are correct.F) A) and B)
G) A) and C)

Question 2

The major structural elements of a eukaryotic cytoskeleton include

Accepted Answer

A)   microfilaments.
B)   microtubules.
C)   collagen fibers.
D)   fimbriae.
E)   calcium carbonate.F) A) and E)
G) A) and B)

Question 3

Which is not a characteristic of fungi?

Accepted Answer

A)   Fungal cells have cell walls.
B)   Fungi are photosynthetic.
C)   Fungi include single-celled and filamentous forms.
D)   Fungi are heterotrophs.
E)   Fungi can use a wide variety of nutrients.F) B) and D)
G) None of the above

Question 4

In order to reproduce sexually, diploid cells must produce _________ gametes through ________.

Accepted Answer

A)   diploid; mitosis
B)   diploid; meiosis
C)   haploid; mitosis
D)   haploid; meiosis
E)   triploid; mitosisF) B) and D)
G) C) and D)

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

The passageways in the nuclear envelope for movement of substances to and from the nucleus and cytopl are called nuclear _____.

Accepted Answer

The answer of The passageways in the nuclear envelope for...

Question 7

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

Accepted Answer

The answer of During unfavorable growth conditions, many protozoa can...

Question 8

All fungi have hyphae.

Accepted Answer

A) True 
 B)False

Question 9

In eukaryotic cells, the structure primarily responsible for the adherence of cells to surfaces in the environment and the formation of biofilms is the

Accepted Answer

A)   glycocalyx.
B)   cell wall.
C)   cell membrane.
D)   cilia.
E)   flagella.F) A) and B)
G) B) and E)

Question 10

Which is mismatched?

Accepted Answer

A)   Pyrrophyta - euglenids
B)   Chrysophyta - diatoms
C)   Phaeophyta - brown algae
D)   Rhodophyta - red seaweed
E)   Chlorophyta - green algaeF) B) and C)
G) A) and E)

Question 11

Blooms of certain dinoflagellates are associated with all of the following except

Accepted Answer

A)   paralytic shellfish poisoning.
B)   red tides.
C)   ciguatera.
D)   Pfiesteria piscicida.
E)   euglenids.F) A) and B)
G) All of the above

Question 12

The overwhelming majority of helminth infections occur in the developing world, with only a few dozen cases a year occurring in the United States.

Accepted Answer

A) True 
 B)False

Question 13

Protists with contractile vacuoles

Accepted Answer

A)   are algae.
B)   use them to expel excess water from the cell.
C)   typically live in salty seawater.
D)   use them for motility.
E)   All of these choices are correct.F) C) and D)
G) A) and C)

Question 14

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)   protection against osmotic lysis.F) All of the above
G) A) and D)

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

The size of a eukaryotic cell ribosome is

Accepted Answer

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

Question 17

Which organisms)  would be classified as protists?

Accepted Answer

A)   an endospore-forming bacterial cell
B)   a fungus growing on the peel of an orange
C)   algae in a pond
D)   seaweed growing in the ocean
E)   a parasitic amoeba that can cause meningitis.F) A) and C)
G) A) and B)

Question 18

Which of the following does not pertain to helminths?

Accepted Answer

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

Question 19

Larvae and eggs are developmental forms of

Accepted Answer

A)   protozoa.
B)   algae.
C)   helminths.
D)   fungi.E) C) and D)
F) A) and D)

Question 20

Eukaryotic flagella differ from prokaryotic flagella because only eukaryotic flagella

Accepted Answer

A)   are used for cell motility.
B)   facilitate chemotaxis.
C)   facilitate phototaxis.
D)   are long whip-like structures.
E)   contain microtubules.F) B) and C)
G) None of the above

Exam 5: A Survey of Eukaryotic Cells and Microorganisms

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which is not a characteristic of fungi?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

All fungi have hyphae.

Correct AnswerverifiedShow Answer

Which of the following does not pertain to helminths?

Correct AnswerverifiedShow Answer

In order to reproduce sexually, diploid cells must produce _________ gametes through ________.

Correct AnswerverifiedShow Answer

Which organisms) would be classified as protists?

Correct AnswerverifiedShow Answer

Protists with contractile vacuoles

Correct AnswerverifiedShow Answer

The passageways in the nuclear envelope for movement of substances to and from the nucleus and cytopl are called nuclear _____.

Correct AnswerverifiedShow Answer

Both fish and humans develop neurological symptoms and bloody skin lesions due to a sudden "bloom" of this algae.2013

Correct AnswerverifiedShow Answer

The eukaryotic cell's glycocalyx is

Correct AnswerverifiedShow Answer

The overwhelming majority of helminth infections occur in the developing world, with only a few dozen cases a year occurring in the United States.

Correct AnswerverifiedShow Answer

Eukaryotic flagella differ from prokaryotic flagella because only eukaryotic flagella

Correct AnswerverifiedShow Answer

In eukaryotic cells, the structure primarily responsible for the adherence of cells to surfaces in the environment and the formation of biofilms is the

Correct AnswerverifiedShow Answer

Larvae and eggs are developmental forms of

Correct AnswerverifiedShow Answer

The major structural elements of a eukaryotic cytoskeleton include

Correct AnswerverifiedShow Answer

Which is mismatched?

Correct AnswerverifiedShow Answer

The size of a eukaryotic cell ribosome is

Correct AnswerverifiedShow Answer

Blooms of certain dinoflagellates are associated with all of the following except

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

In order to reproduce sexually, diploid cells must produce _ gametes through .

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