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devlian [24]
3 years ago
13

Lactose takes years to break down on its own. But if exposed to the protein lactase, the reaction proceeds very quickly, while l

actase itself remains unchanged. Lactase is an example of a(n) _________.

Chemistry
1 answer:
sp2606 [1]3 years ago
6 0

Answer:

Enzyme  

Explanation:

An enzyme is an organic catalyst that speeds up a reaction but can be recovered unchanged.

Human lactase consists of 4092 amino acid groups and has a molar mass of about 280 000 u, so it has a complex structure.

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