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6) biologie > bevruchting en het ontstaan van een zygote > Flashcards

bevruchting en het ontstaan van een zygote Flashcards

1
Q

hindernissen zaadcel opweg naar bevruchting

A
  • zure omgeving vagina
  • slijmprop baarmoederhals
  • aangezien als indringers
  • tegenstroom in eileider door haartjes en vloeistof
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2
Q

stap 1 bevruchting

A

spermacel nadert oöcyt II

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3
Q

stap 2 bevruchting

A

enzymen uit acrosoom vrij -> doorboren eicel

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4
Q

stap 3 bevruchting

A

binden eiwitten kop spermacel = receptor eicelmembraan

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5
Q

stap 4 bevruchting

A

versmelten membranen

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6
Q

stap 5 bevruchting

A

kern spermacel gaat eicel binnen

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7
Q
A
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6) biologie (9 decks)

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