Biology 9700/32 May June 2014 | Cambridge AS Level Past Papers With Mark Scheme
1. Effects of calcium ion concentration on enzyme-catalyzed milk coagulation; systematic error identification and control setup in experiments.
2. Variables to standardize in enzyme studies and graphical trends in enzyme activity after heating.
3. Plan diagram analysis of root tips showing mitosis; identification of mitotic stages in root cells with annotations.
4. Calculation of magnification from a photomicrograph scale bar and comparative observations of root cell specimens.

باز نشر محتواها در فضای مجازی، ممنوع است.