O Level Biology Practical 2020 Answers ~upd~

If you want, I can:

Osmosis/diffusion experiments (e.g., potato/tissue mass changes) o level biology practical 2020 answers

[ \textMagnification = \frac\textDrawn length\textActual length ] (e.g., if actual cell = 0.1 mm and drawing = 20 mm → magnification = ×200) If you want, I can: Osmosis/diffusion experiments (e

Candidates investigated how temperature affects the leakage of red pigment through the cell membranes of beetroot cylinders. Observation | pH | Color Change | Amylase Activity

Q2. Calculate the rate between 0–6 min and 6–10 min.

| pH | Color Change | Amylase Activity | | --- | --- | --- | | 4 | Blue-black | Low | | 5 | Purple | Moderate | | 6 | Brown | High | | 7 | Yellow-brick red | Very high | | 8 | Yellow-brick red | Very high |

To investigate the effect of pH on the activity of amylase.