For a drawing of mitochondria, students were expected to show at least two complete mitochondria with clearly defined double membranes and associated rough endoplasmic reticulum (RER) with visible ribosomes. Magnification Calculation:
(Highly useful but requires careful cross-checking with your specific variant) o level biology practical 2021 answers
If you forgot the negative sign for a loss (e.g., -8%), you lost the mark. Sign indicates direction of osmosis. For a drawing of mitochondria, students were expected
In 2021, as in other years, examiners applied strict criteria to biological drawings. If you are looking for the "answers" regarding how to score marks here, it is rarely about artistic talent and entirely about adherence to rules: For a drawing of mitochondria
Independent variable on the x-axis, dependent on the y-axis.