Question

Why antibiotics alkaloids considered as secondary metabolite even though they are very useful for human welfare?

Answer 1

Ello user !!!!!!!!!

Here is your answer,

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A secondary metabolite is not directly involved in those processes, but usually has an important ecological function.

Examples include antibiotics and pigments.

However, many of them are useful to 'human welfare'

(eg., rubber, drugs, spices, scents and pigments).

Some secondary metabolites have ecological importance

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