QUESTION 5   5.1 William was walking in a dark tunne…

QUESTION 5   5.1 William was walking in a dark tunnel. At the end of the tunnel was a door. As he opened the door, he was momentarily blinded by the bright light. Explain what a reflex arc is and describe how it brings about the changes in William’s eyes as he opened the door. Mention all the relevant structures involved in the pupillary reflex and the nervous system to explain how and why his pupils reacted to the sudden change in light intensity. Finally, explain why this pupillary reflex is important.      ContentSynthesisTotal (17)(3)[20]

3.2 Lees die onderstaande inligting en beantwoord dan die…

3.2 Lees die onderstaande inligting en beantwoord dan die vrae volg: In vrugtevlieë, is lang vlerke (L) dominant oor kort (onontwikkelde) vlerke (l), en ‘n grys lyfkleur (G) is dominant oor ‘n swart lyfkleur (g). Die diagram hieronder toon hierdie eienskappe. KLIK OP DIE KNOPPIE HIERONDER OM DIE VRUGTEVLIEG SE EIENSKAPPE TE SIEN:   Die dihibriede kruising wat hieronder getoon word, is van ‘n kruising tussen twee vrugtevlieë wat beide heterosigoties is vir lang vlerke en heterosigoties is vir grys lywe. Bestudeer die dihibriede kruising en beantwoord die vrae wat volg:   Dihibriede kruising tussen vrugtevlieë wat beide heterosigoties is vir lyfkleur en die vlerklengte LG Lg lG lg LG LLGG LLGg LlGG LlGg Lg LLGg LLgg LlGg Llgg lG LlGG LlGg llGG llGg lg LlGg Llgg llGg llgg Bron: Monohybrid and Dihybrid cross. Available at: https://jrggenetics.weebly.com/monohybrid-and-dihybrid-cross.html (Accessed: 5 May 2021).  

AFDELING D – TAAL VRAAG 4: Taalstrukture en -konvensies…

AFDELING D – TAAL VRAAG 4: Taalstrukture en -konvensies Teks D: Advertensie ·       Die taalvrae wat volg, is op die visuele teks hieronder gebaseer. ·       Volg die instruksies by elke vraag noukeurig. Kliek links op die blou knoppie om die visuele prent in ‘n “nuwe tab” oop te maak.