From where the agarose extracted ?

Blood of a man is tested postive for cannabinoids. From where these are extracted naturally/

Blood of a man is tested positive for cannabinoids. (a) What are these? (b) From where these are extracted naturally? (c) Which part of the body is affected by these?

The separated bands of DNA are cut out from the agarose gel and extracted from the gel piece. This step is called

Metals are extracted from

Where from are most antibiotics extracted?

Give suitable term for the following. Name the micro organism from where Insulin is extracted.

Heroin is extracted from