Question

enzymes can be harmful because they can cause _ of fruits and vegetable​

Answer 1

Explanation:

Enzymes are special proteins which can speed up chemical reactions and act as biological catalysts. ... However when the fruit is sliced, or squashed, or when the fruit or vegetable begins to break down with age, the enzymes come into contact with oxygen in the air. This causes the fruit to turn brown.

Answer 2

HERE IS UR ANSWER DEAR,

Enzymes are special proteins which can speed up chemical reactions and act as biological catalysts. They can cause fruit to ripen and over-ripen, which gives the fruit a brown colour. ... As well as causing the fruit to change colour, oxidation can also affect the nutrient content of a fruit or vegetable.