Summary
Summary Lewenswetenskappe gr 12; homeostase, planthormone
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Opsomming van hoofstukke in Lewenswetenskappe Gr 12 (Via Afrika CAPS handboek) wat handel oor homeostase en planthormone.
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Available practice questions
Homeostase
Flashcards
36 Flashcards
Free
1 sales
Flashcards
36 Flashcards
Free
1 sales
Some examples from this set of practice questions
1.
Wat is die twee tipes kliere betrokke by regulasie in die menslike endokriene stelsel?
Answer: Eksokriene kliere en Endokriene kliere
2.
Wat is die verskil tussen Eksokriene en Endokriene kliere?
Answer: Eksokriene kliere skei hormone direk na die teikenorgaan toe af via buisies. Endokriene kliere skei hormone in die bloedstroom af.
3.
Waaruit bestaan \'n hormoon?
Answer: \'n Hormoon is \'n chemiese boodskapper en bestaan hoofsaaklik uit protein
4.
Wat is die verskil tussen sinergisties en antagonistiese hormoonwerking?
Answer: Sinergistiese hormone werk saam vir \'n gemeenskaplike uitwerking. Antagonistiese hormone werk mekaar teen.
5.
Definieer hipersikresie
Answer: Die oorafskeiding van hormone
6.
Definieer hiposekresie
Answer: Die onderafskeiding van hormone
7.
Waarvoor staan ADH?
Answer: Antidiuretiese hormoon
8.
Wat is die funksie van ADH?
Answer: Beheer die hoeveelheid water wat herabsorbeer word deur die Henle lus in die niernefronbuise deur die deurlaatbaarheid van die membrane te verhoog. Hoe meer deurlaatbaar die nefronbuis is, hoe meer water word herabsorbeer in die bloed in en hoe meer gekonsentreerd is die urine.
9.
Wat is die funksie van CRH (kortikotropien-vrystellingshormoon) ?
Answer: Help om metabolisme en immuunrespons te reguleer deur \'n boodksap na die anterior pituitere klier te stuur, wat dan \'n boodskap aan die byniere stuur om kortikosteroide af te skei.
10.
Wat is die funksie van Gonadotropien-vrystellingshormoon? (GnRH)
Answer: Stimuleer anterior pituitere klier om FSH en LH af te skei.
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