always followed by an adverb or preposition, [+ object] : to bend (a part of your body, such as an arm) and place it around something. 1  He hooked his arm around my neck. 2  She hooked her fingers around the doorknob. 3  He hooked his thumb through a loop of his pants.
Split and merge into it. Answer by Tantkowiak. Confidence votes 58. Pour plating is a method of separating one species of bacteria from another by diluting one loopful of organism into three liquefied nutrient agar plates, with the hopes that one of the plates poured will provide an ideal sample for isolation.
Valve trays. In valve trays, perforations are covered by liftable caps. Vapour flows lifts the caps, thus self creating a flow area for the passage of vapour. The lifting cap directs the vapour to flow horizontally into the liquid, thus providing better mixing than is possible in sieve trays.