11 the practical examination is divided into four stations each station has its two grade 11 learners want to investigate which enzyme is responsible for chemical life sciences p3 practical 4 dbe 2013 nsc grade 11 exemplar. The other obvious structures seen within the heart are the chordae tendonae which are attached to papillary musclesthese tendons hold the heart valves in place sometimes they are called the heartstrings the valves were probably cut when the heart was opened but if you follow the cords they should lead you to a thin flap that is the atrioventricular bicuspid valve. On this page you can read or download memorandum of practical 3 life science grade 11 in pdf format if you dont see any interesting for you use our search form on bottom . 6 place the test tubes in a hot water bath 7 if the contents change from light blue to green yellow orange in the test tube then the enzyme has digested starch to glucose and the. In this live gr 11 life sciences show we look at photosynthesis the practicals in this lesson we review the process of photosynthesis we study the start test in leaves we study the various practicals testing photosynthesis and finally we look at how to complete a practical write up
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