BY1 WJEC legacy paper 2016?

Yes, I messed up on the golgi body question and water potential question for sure. what about you?

same here, was it a lysosome or digestive enzymes they were talking about? i kept changing my answerand the water potential one was horrible, i messed up completely what did you write for the graph for the percentage of light transmission0? also did you do the mitosis essay?

I wrote lysosomes but apparently it was lipids/proteins? It really confused me. The haemolysis question? I wrote about water miving into the red blood cell down a water potential gradient by osmosis but I didn't talk about the cell lysing. I did the immobilised enzymes question

Banana question was all about how those techniques denature an enzyme to prevent it catalysing the reaction which caused it to turn brown. Citric acid was to do with conditions being too acidic causing an imbalance of H+ ions and therefore disrupting ionic bonding in the enzyme changing its shape etc. Freezing I wrote about lack of kinetic energy? but im unsure if thats what they wanted, could be to do with a break in hydrogen bonds. The vacuum part was a bit twisted as there is no direct relation to enzymes there, the answer was in the question as it said the browning effect only occured when the puree reacted with the air so i basically touched on that. I found a lot of the questions in the paper were a bit stretched out and twisted but not an overly difficult paper. I loved the 10 marker for mitosis, the 5 marker filling in the table and 6 marker labelling a plant cell.

same here, was it a lysosome or digestive enzymes they were talking about? i kept changing my answerand the water potential one was horrible, i messed up completely what did you write for the graph for the percentage of light transmission? also did you do the mitosis essay?

See I wrote secretory enzymes and how exocytosis occurs and they are secreted out of the cell :-( I also ended up writing that leaf was a tissue when it's an organ ugh and various other issues