Tizanidine is a short-acting muscle relaxer that's marketed under the brand name Zanaflex. It is used to treat muscle spasms caused by certain conditions such as multiple sclerosis, ALS, or spinal cord injury.It is also prescribed off-label for certain headache disorders, symptoms of fibromyalgia, and as a sleep aid.Tizanidine works by blocking nerve impulses that are sent to your brain.izanidine (Zanaflex) Interactions. Do not take tizanidine if you are also taking the antidepressant fluvoxamine (Luvox) or the antibiotic ciprofloxacin (Cipro). Let your doctor know all other medicines you are taking before he prescribes tizanidine.
Structure of the Double Helix. Double helix is the description of the structure of a DNA molecule. A DNA molecule consists of two strands that wind around each other like a twisted ladder. Each strand has a backbone made of alternating groups of sugar (deoxyribose) and phosphate groups.
Report Abuse. The structure of DNA is a double helix, much like a ladder that is twisted into a spiral shape. The nucleotide bases (A, T, C, G) that make up your genetic code are found in pairs in the middle of the helix.he base pairs that make up the rungs of the ladder are attached to the sugars in the sugar-phosphate chains that form the uprights of the ladder. Source(s): Nucleic Acids DNA and RNA by Anthony Carpi, Ph.D. at Vision Learning http://www.visionlearning.com/library/mo...