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Líffræði

QuestionAnswer
Öll starfsemi líffæra byggist á stjórnun með boðum um starfsemina frá ýmist ____ eða ____ ? Innlirtlakerfi eða taugakerfi
Hver hefur aðeins hormónakerfi? a) Sveppir b)Skordýr c)Sjávardýr d) Plöntur plöntur
Berast taugaboð hægt eða hratt? Hratt
Brotna taugaboð skjótt eða hægt niður? Skjótt
Það má líka taugaboði við ____? Símtal
Taugaboð berast á milli___? Taugunga
Hormónaboð berast _____? Í blóði
_____ virkar bara á ákveðnum stöðum? Hormónaboð
Hvor virka lengur, hormónaboð eða taugaboð? Hormónaboð
Hormónaboði er oft líkt við____? Póst
_____ örvar syeti hormóns. Leysihormón
_____ draga úr/ stöðva seiti hormóns. Hömluhormón
_____ er boðspenna erm er spennusveifla. Hrökkspenna
_____ er amínósýru, virka örvandi/letjandi á taugunga. Taugapeptíð
_____ er peptíð sem örva/draga úr vexti ákv. vefja. Vaxtarþáttur
Dæmi um virkni Leysihormóns frá undirstúku til líffærakerfis. Undirstúka:Frl. hormón t.d. leysihormón t.d. fyrir skjaldkyrtilsstýrihormón. Heiladingull:Frl. t.d. stýrihormón skv. skipun undirstúku Innkirtill:t.d. skjaldkyrtill, fær STSK og frl. aukið þýroxín Líffærakerfi: Notar þýroxín.
Hver var fyrsti innboðinn sem var uppgötvaður? Adenósíneinfosfat
HVar myndast stýrihormón? Framhluta heiladinguls
Created by: karitas03
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