Biology 9700/36 Oct Nov 2017 | Cambridge AS Level Past Papers With Mark Scheme

1. Investigating enzyme-catalyzed milk coagulation using varying substrate concentrations and identifying key end-point criteria.

2. Serial dilution preparation for milk concentrations and assessing coagulation times as a dependent variable.

3. Control setup for enzyme activity tests, standardizing substrate concentrations, and modifying procedures for temperature effect studies.

4. Chart representation of protein content in milk from different animals and linking protein content to coagulation efficiency.

5. Detailed root structure analysis through labeled drawings and calculating actual root diameters using scale bars.

6. Comparing structural features of xylem vessels and analyzing root tissue differences between two samples.