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...he process of pairing complementary [[DNA]] or [[RNA]] sequences to form a double-stranded molecule. The term is derived from the metallurgical process of an ...s results in the formation of a double-stranded molecule, with each strand acting as a template for the other. This process is crucial in many molecular biol

...'covering'. This is in reference to the function of the velum in the body, acting as a barrier or covering. Another structure referred to as a 'velum' is the [[velum interpositum]], a double layer of pia mater in the brain.

...ːrfiːn/) is a synthetic [[opioid]] developed by Roche, with powerful, fast-acting effects, such as sedation and analgesia. It was first discovered and patent ...phine is derived from [[morphine]], where the 6-hydroxyl group and the 7,8 double bond have been reduced. The traditional synthesis of desomorphine starts fr

Jolie has had a preventive double [[mastectomy]] and [[oophorectomy]] after learning she had an 87% risk of d * [[Acting]]