1.4 An object with an excess of electrons is: (1)
1.1 A neutral atom contains (1)
1.1 A neutral atom contains (1)
1.5 Conduct the electric current over long or short distan…
1.5 Conduct the electric current over long or short distances. (1)
1.1 Verduidelik wat bedoel word met ‘ontkiemende’ sade….
1.1 Verduidelik wat bedoel word met ‘ontkiemende’ sade. (2)
QUESTION 3 Study the diagram below and answer the questi…
QUESTION 3 Study the diagram below and answer the questions that follow: TO VIEW THE DIAGRAM, RIGHT CLICK ON THE BUTTON BELOW AND OPEN IT IN A NEW TAB:
1.3 Explain why the test tubes have to be left in a warm…
1.3 Explain why the test tubes have to be left in a warm place? Consider enzyme activity as you answer the question. (4)
3.4 Summarise what happens during Kreb’s cycle. (4)
3.4 Summarise what happens during Kreb’s cycle. (4)
1.5 Predict the results expected in both the experiment…
1.5 Predict the results expected in both the experiment and the control, respectively. (2)
VRAAG 2 Lees die volgende gedeelte en beantwoord die vra…
VRAAG 2 Lees die volgende gedeelte en beantwoord die vrae wat volg. Tammy was moeg vir in die huis sit en huiswerk doen, en besluit toe om te gaan draf. Sy het besluit om vir ‘n 5km draf te gaan. Terwyl sy draf kon sy voel dat haar beenspiere begin om te pyn en brand. Dit was vir haar moeilik om die laaste kilometer te draf en sy besluit toe maar om te stap. 2.1 Verduidelik waarom Tammy se spiere begin het om te brand en te pyn. (5)
3.2 Aërobiese selrespirasie vind in die mitochondrion plaa…
3.2 Aërobiese selrespirasie vind in die mitochondrion plaas. Teken met die hand ‘n diagram van ‘n mitochondrion met DRIE byskrifte. Wanneer jou skets klaar is, scan dit, stoor dit as ‘n PDF dokument en laai dit op in die vraag hieronder. (6)