Seldeling Flashcards

Binêre splitsing

1
Q

wat is binêre splitsing ?

A

splitsing van ouersel in twee dogterselle deur mitose .

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2
Q

afbotting

A

ongeslagtelike voortplanting deur mitose , enkele selle breek van ouersel af

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3
Q

watter fases van mitose kry jy

A

interfase ; profase;metafase ; anafase ; telofase

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4
Q

Beeskryf die proses van Interfase by mense en diere

A

Dierselle : ( Duidelike chromatien netwerk) . *DNA in die chromatiennetwerk dupliseer. DNA verdik word sigbaar . Plantselle: *DNA in chromatiennetwerk dupliseer . DNA verdik en vorm chromosome.

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5
Q

Waar le die chromosome by die proses van Metafase

A

Op die ewenaar

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6
Q

Wat is die 3 doelwitte van Mitose

A

Groei ,herstel ,voortplanting

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7
Q

Wat is die 3 doelwitte van Mitose

A

Groei ,herstel ,voortplanting

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8
Q

ligging by plante en diere

A

plante : apikale meristeem of laterale meristeem diere: organe , epiteel , weefsels en bindweefsel

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9
Q

watter 2 verdelingsprosesse is daar

A

kariokinese en sitokinese

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10
Q

Noem 4 faktore eat tot kanker bydra

A

oorgeërf , bestraling , rook , hormoonversteurings , verwerkte voedsel

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11
Q

2 tipes tumors

A

goedaardig , kwaadaardig

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12
Q

watter verskillende soorte kanker

A

Karsinome -vel , epiteel in voering van organe , kliere en vel . Sarkome : been , kraakbeen en spiere. Leukemie: bloed ,en limpf en imuunstelsels

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13
Q

kankerbehandeling

A

bitegnologie - chirugie , chemo,radioterapie . Traditioneel - Sutherlandia frutescens (kankerbos) . Hypoxis hemero (callidea , afrika aartappel )

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