Biology 9700 Practical Notes !!link!! Jun 2026

Do not draw a work of art. Draw a scientific diagram.

Record all raw measurements to the same degree of precision. If your measuring cylinder has 1 cm3c m cubed graduations, record volumes to the nearest 0.5 cm3c m cubed (e.g., 10.0, 10.5, 11.0). biology 9700 practical notes

Use the Biuret test. A purple color indicates positive results. Do not draw a work of art

Making a dilution from a stock solution (e.g., 10cm310 c m cubed solution + 10cm310 c m cubed water to get solution). Serial Dilution: Diluting a sample by a set factor (e.g., x) at each step to create a concentration gradient (e.g., 3. Microscopy and Drawing Techniques If your measuring cylinder has 1 cm3c m

Before your exams, ensure you can confidently perform these tasks. Examiner reports reveal recurring student errors; avoiding them is a fast way to boost your grade.

Use Spearman's to find a correlation between non-normally distributed or ordinal ranked data. Interpreting Significance and Probability ( The Critical Boundary (

Timing: 1 hour 15 min | Weight: 12%