Definition of "megabase" []

• A length of double-stranded DNA containing two million nucleotides, one million on each strand. (noun)
• A length of single-stranded RNA containing one million nucleotides (noun)

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• "A megabase with three rings of security, Bagram serves as a kind of clearinghouse where troops are processed and then airlifted to their frontline positions."
• "If the megabase deletions have subtle effects on fitness, those alleles should drop in frequency. raven"
• "And many of those that "served" in Vietnam were support elements that never set foot in Vietnam Navy, AF bases in adjacent countries or if they were in country, arrived at a safe American megabase like Da Nang and never left it's sanctuary."