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The idea that mitochondria may have resulted when a nucleated cell engulfed aerobic bacteria is known as the


A) chemiosmotic theory.
B) endosymbiotic hypothesis.
C) Lyon hypothesis.
D) theory of evolution by means of acquired characteristics.
E) theory of acquisition of organelles.

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

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Which can have a cellular form as well as an acellular (plasmodial) form with multiple nuclei?


A) sporozoa
B) zooflagellates
C) slime molds
D) diatoms
E) ciliates

F) B) and E)
G) B) and D)

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A chain of asexual spores produced by a sac fungus is called


A) a mycelium.
B) a conidia.
C) an ascospore.
D) a basidiospore.
E) a hypha.

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

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List the six steps in the life cycle of Plasmodium vivax,the protist that causes malaria.

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1.Gametes fuse in the gut of the female ...

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In what way are fungi like heterotrophic bacteria?


A) They both produce gametes.
B) They are both heterotrophic and play an important role in ecosystems.
C) They both have cell walls of the same material.
D) They are both photosynthetic and thus are producers.
E) They are both eukaryotic.

F) C) and E)
G) B) and E)

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When the cap of an average gilled mushroom is cut off and shaken a cloud of powdery material is released.The material released are


A) mycelia.
B) sporangia.
C) hyphae.
D) spores.
E) seeds.

F) C) and E)
G) A) and E)

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The relationship between the fungi and algae in lichens is best described as


A) a mutually beneficial relationship between normally free-living strains.
B) a complete mixing of the genomes of the two groups at the cellular level.
C) an endosymbiotic transfer of the chloroplasts of algae to the hyphae cells.
D) a possible controlled parasitism wherein the fungi withdraw food from the algae and the algae can grow better alone.
E) a possible controlled parasitism wherein the algae are moistened and protected by the fungi but the fungi can grow better alone.

F) B) and E)
G) All of the above

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A

An example of a colonial green alga is


A) Ulva.
B) Chlamydomonas.
C) Volvox.
D) Spirogyra.
E) Fucus.

F) B) and D)
G) A) and E)

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Which is the largest group of protozoans?


A) amoeboids
B) zooflagellates
C) ciliates
D) sporozoans
E) slime molds

F) A) and C)
G) None of the above

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The kingdom Protista includes all of the following kinds of organisms EXCEPT


A) protozoa.
B) algae.
C) water molds.
D) yeasts.
E) slime molds.

F) A) and B)
G) All of the above

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The deposits of chalky fossils that build the White Cliffs of Dover were produced by


A) radiolaria.
B) foraminiferans.
C) ciliates.
D) diatoms (as diatomaceous earth) .
E) dinoflagellates.

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

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Protists offer a glimpse into the past because they are most likely related to the first prokaryotic cell to have evolved.

A) True
B) False

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A member of the sporozoan group of protists that can cause diseases is


A) Amoeba proteus.
B) Plasmodium vivax.
C) Chlamydomonas.
D) Penicillium.
E) Paramecium.

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

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Organisms that feed on dead organic matter are called


A) chemosynthetic.
B) autotrophic.
C) heterotrophic.
D) saprotrophs.
E) parasitic.

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

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Explain why chytrid fungi (phylum Chytridomycota)are believed to have been the first fungi to have evolved.

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Chytrid fungi are unique among fungi bec...

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____ are mostly saprotrophic decomposers that assist in recycling of nutrients in ecosystems.


A) Algae
B) Viruses
C) Fungi
D) Protozoans
E) Ciliates

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

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C

A mushroom will produce a sexual spore at the tip of a club-shaped


A) mycelia.
B) conidia.
C) ascus.
D) basidia.
E) hypha.

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

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During fermentation,_________ is produced by yeast cells causing the dough to rise.


A) ethanol
B) carbon dioxide
C) oxygen
D) spores
E) sugar

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

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Which protist is NOT correctly linked to the type of movement it shows?


A) amoeboids-pseudopodia
B) ciliates-cilia
C) zooflagellates-flagella
D) sporozoa-flexing the pellicle
E) Paramecium-cilia

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

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Fungal infections are difficult to treat because of the similarity in their nucleus,organelles and ribosomes to those in human cells.

A) True
B) False

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True

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