Low potassium levels can cause leg cramps. Apple cider vinegar is high in potassium and this tonic should help quickly if your leg cramps are caused by low potassium: Mix 2 teaspoons apple cider vinegar, 1 teaspoon honey in a glass of warm water and drink.
The hammerhead ribozyme is a RNA molecule motif that catalyzes reversible cleavage and joining reactions at a specific site within an RNA molecule.
Reproduction biology A membrane-bound cap-like structure at the head of a spermatozoon that contains lytic enzymesâacrosin hyaluronidase which degrade the outer coat of the egg and allow the penetration of one sperm. See Acrosome reaction.crosome reaction changes in the spermatozoon that result in development of perforations in the acrosome, allowing release of enzymes that facilitate fertilization.