COS

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COS

Abbreviation for Chief of Staff.

COS

Canadian Ophthalmological Society.

cos

site the region formed when the COHESIVE ENDS of certain BACTERIOPHAGES, notably bacteriophage lambda, join together. A cos site is formed when the linear CHROMOSOME of bacteriophage lambda circularizes following infection of a host cell. Concatemeric (see CONCATEMER lambda DNA is cut at cos sites when the DNA is packaged during phage assembly in the LYTIC CYCLE.
References in periodicals archive ?
Kos, a 1994 graduate of Clovis West High near Fresno, hadn't played a down of football since his senior season.
In the interim between the fall of '93 and his freshman season at Moorpark this fall Kos worked and he worked out.
FOOTBALL: Football League - Preston v Sheffield United, KO 7.
FOOTBALL: UEFA Youth League - Barcelona v Arsenal, KO 5pm (Eurosport, 4.
Dshausa kxae-HIV Aoa kare ku n,ai mq si gheghemh te tia ku AE'ama A'an hi ko ku.
August 3 Cardiff City (a) KO 3pm Bolton will announce two home friendlies early in August
He hasn't fought in nine months and has been in the ring only once in almost 2-1/2 years because of his suspension for biting Evander Holyfield and the latest prison term, which almost guarantees some kinks unless he lands the KO punch early.