BI-1520
Mutations
Biology · Secondary 4 · Hard · Mutations
In a person with galactosaemia, the enzyme that converts galactose to glucose is non‑functional. Which statement best explains how this mutation affects the enzyme?
- The mutation removes all enzymes from the liver cells.
- The mutation changes the active site so galactose cannot bind.
- The mutation increases the temperature of the enzyme.
- The mutation doubles the number of active sites on the enzyme.
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