Bou van Amoeba Proteus Flashcards

1
Q

Uit watter hoeveelheid selle bestaan die amoeba?

A

Eensellig

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2
Q

Hoe groot is die amoeba?

A

Mikroskopies klein

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3
Q

Is die amoeba prokarioties of eukarioties?

A

Eukarioties

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4
Q

Watter kleur en vorm is die amoeba?

A

Kleurloos

Geen vaste vorm

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5
Q

Wat is afwesig by die amoeba?

A

Die selwand en chloroplaste

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6
Q

Watter kenmerke is afnwesig by die amoeba?

A

Geen plantkenmerke
Nie ‘n groot vakuool nie
Het lisosoom, kontraktiele vakuool en selmembraan

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7
Q

Wat is die doel van die selmembraan?

A

Beheer diffusie van stowwe in en uit die sel

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8
Q

Waar kom die ektoplasma voor?

A

Net binne die selmembraan

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9
Q

Hoe vertoon die ektoplasma?

A

Jellie

Deurskynend

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10
Q

Hoe vertoon die endoplasma?

A

Korrelrig en grys a.g.v. voedingstowwe, afval

Meer vloeibaar

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11
Q

Wat is siklose?

A

Die voortdurende strome in sitoplasma

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12
Q

Wat is die funksie van siklose?

A

Sirkuleer voedingstowwe

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13
Q

Wat is die funksie van die kontraktiele vakuool?

A

Beheer waterinhoud van sel (osmoregulering)

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14
Q

Hoe vind osmoregulering plaas in die Amoeba?

A

Water beweeg in sel in d.m.v. osmose
Water versamel in die vakuool
Vakuool beweeg na die oppervlak, bars oop, stel water vry
Water versamel weer in die volgende vakuool

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15
Q

Hoe word die pseudopodia gevorm?

A

Ektoplasma verander in endoplasma

Endoplasma vloei uit, rante verander weer na ektoplasma

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