Chapter 28 - Protists

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Biology

Cells

17 Terms

1

Mitosomes

________ are shrunken mitochondria found in diplomonads.

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2

Excavates

________ include parasites such as Giardia, as well as many predatory and photosynthetic species, as shown in the image attached.

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3

Diplomanads

________ obtain their energy through anaerobic metabolic processes.

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4

Parabasalids

________ also have decreased mitochondria, known as hydrogenosomes, which generate some energy anaerobically while emitting hydrogen gas as a byproduct.

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5

majority of eukaryotes

The ________ are single- celled creatures.

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6

Protists

________ are important members of ecological communities.

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7

parasites

Many diplomonads are ________, including the notorious Giardia intestinalis, which lives in mammalian intestines.

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8

Trichomonas vaginalis

________, a sexually transmitted parasite that infects around 5 million individuals each year, is the most well- known parabasalid.

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9

term excavation

The ________ refers to some members of a supergroup that have an "excavated "groove on one side of the cell body.

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10

prokaryotic flagella

They are not the same as ________, which are filaments made up of globular proteins linked to the cell surface.

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11

Plastids

________ are considered to be the offspring of cyanobacteria that were devoured by early eukaryotic cells.

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12

Giardia intestinalis

________ is a parasitic diplomonad.

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13

plastid bearing lineage

The ________ gave rise to red algae and green algae.

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14

eukaryotes

Protists, like plants, animals, and fungi, are ________; they belong to the category of Eukarya, one of the three domains of life.

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15

Diplomanads

________ feature two equal- sized nuclei and many flagella.

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16

Protists

________ and other eukaryotes, unlike prokaryotes, contain a nucleus and other membrane- enclosed organelles, as well as a cytoskeleton that allows them to have asymmetric shapes and change shape when they eat, move, or grow.

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17

Protists

________ that produce photosynthetically are among the most significant producers in aquatic ecosystems.

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