BI-1804
Digestive enzymes
Biology · Secondary 4 · Medium · Digestive enzymes
In an experiment, starch suspension is mixed with amylase and kept at 37 °C. Which change shows that amylase has acted on the starch?
- Iodine test changes from blue‑black to brown while Benedict’s test becomes positive.
- Iodine test remains blue‑black and Benedict’s test stays negative.
- Iodine test becomes blue‑black and Benedict’s test becomes positive.
- Iodine test becomes brown and Benedict’s test stays negative.
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