Eukaryotes Flashcards by chiamaka okudo

Q

Key eukaryotic traits

A

Nucleus

Membrane bound organelles

Cytoskeleton

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Q

What is a cytoskeleton

A

Network of fibers within cell

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Q

Purpose of cytoskeleton

A

Asymmetry (which allows changing shape & support)

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Q

Sequence Primary Endosymbiosis

A

Heterotrophic euk —> cyanobacteria —> Green algea

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Q

Sequence Secondary Endosymbiosis

A

Heterotrophic euk —> green algae—> autotrophic euk

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Q

Defining feature of 1° vs 2° endosymbiosis

A

1° eats PROKARYOTES

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Q

Mixotrophy

A

Can do photosynthesis AND heterotrophy

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Q

The supergroups are organized by

A

MORPHOLOGICAL features

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Q

5 supergroups

A

archaeplastida

amoebazoa

SAR

opisthokonta

discoba

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Q

Ancestral trait of the supergroups

A

Aerobic respiration

Mitochondria

Nucleus + membrane bound organelles

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Q

Archaeplastida derived trait

A

Chloroplasts via 1° endosymbiosis

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Q

SAR derived traits

A

2° endosymbiosis of red algae

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Q

SAR includes…

A

Stramemopiles

Alveolets

Rhizarians

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Q

Stramenopiles derived trait

A

Hairy and smooth flagellum

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Q

Alveoletes derived trait

A

Alveoli

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Q

Rhozarian derived trait

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A

Shells of calcium and silica

Q

Ameobozoan are…

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A

Blob shape

Q

Ameobozoan include…

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A

Slime molds

Entamoebas

Q

Disobs derived traits

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A

Mixotrophic

Crystalline rods