They change to their active form in the colon and multiply.

However, further studies have shown that the S-enantiomer is the active form of the drug.

The new protein then folds up into its active form.

Most people who have been exposed never develop the active form of the disease.

They block an enzyme in the body that turns the drug into its active form.

This will is then the active form of understanding.

He might very well start in on me now with some more active form of persuasion.

Now, by genetic engineering, a more active form of the virus has been produced.

He did not participate in the campaign in any active form.

Venture capital is also an active rather than passive form of financing.