BRAINCAKEInterpreting Graphs 3
Many biological graphs are curves, for example the volume of product formed by an enzyme over time. On a curve the rate is changing, so it cannot be found from a single gradient for the whole line.
The rate at a particular moment is found by drawing a tangent. A tangent is a straight line that touches the curve at one point and has the same gradient as the curve at that point.
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All 33 lessons in Biodiversity · All AQA AS-level Biology topics