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Zoology > Unicellular eukaryotes chapter 11 > Flashcards

Unicellular eukaryotes chapter 11 Flashcards

1
Q

What are micro tubules

A

internal structure to cilia and flagella

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2
Q

what are intermediate filaments

A

limit cell stretching and support the plasma membrane

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3
Q

What are microfilaments

A

form the cell cortex and are very important in cell movement and shape change

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4
Q

What are chemoautotrophs

A

Autotrophs that get their energy by inert chemical compounds

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5
Q

What are photoautotrophs

A

autotrophs that get their energy by photosynthesis

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6
Q

How is phagocytosis defined

A

Lysomes

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7
Q

How is trogocytosis defined

A

Entamoeba bites off pieces of host cells

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8
Q

How is Saprozoic defined

A

pinocytosis of dissolved nutrients (straw)

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9
Q

What is osmoregulation

A

The maintenance of constant osmotic pressure in the fluids of an organism by the control of water and salt concentration

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10
Q

What is encystment

A

Cyst form inside

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11
Q

What is excystment

A

cyst form outside

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12
Q

How is the Clade Metamonada defined

A

Basal bodies and flagella generally groups of 4, many parasitic or endosymbionts, multiple phyla within this

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13
Q

How is the phylum euglenozoa defined

A

Nucleoli remains present during cell division
EX: Euglena - free living, Trypanosoma – parasite, african sleeping sickness

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14
Q

How is the clade of Alveolata defined

A

Presence of Alveoli (membrane bound sacs) beaneth cell membrane

EX: Dinoflagellata, Ciliophora, apicomplexa

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15
Q

How is the phylum ciliophora defined

A

Covered in cilia at some point in life cycle
generally larger than others
most free living
EX: Paramecium, stentor

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16
Q

How is Phylum Dinoflagellata defined

A

Commonly have two flagella
about half of them are photoautotrophic
many are bio-luminescent
Body naked or covered by cellulose lates or valves

17
Q

How is phylum apicomplexa defined

A

All endoparasites
have an apical complex

18
Q

How is phylum foraminifera defined

A

Shelled amoebas with slender pseudopodia
Most test are many chambered and made of calcium carbonate or aggregates

19
Q

How is the phylum radiolarians defined

A

Shelled amoebas with test of silicon or strontium
In the water column, and mostly live in shallow water

20
Q

How is the phylum amoebozoa defined

A

Both naked and shelled amoebas, some flagellated

Includes: Slime molds, amoeba proteus, Entamoeba histolytica

21
Q

How is the phylum Opisthokonta defined

A

Usually 1 posterior flagella
paraphyletic since animal and fungus own kingdoms
choanoflagellates: solitary or colonial cell that are most likely sister taxon to animals

Zoology (8 decks)

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