Problem: Does "In a channel transupport system, several proteins form a contiguous channel traversing the inner and outer membranes of the bacteria." answer the question "What happens in a chennel transupport system?"

A: yes

Problem: Does "In 1972, Queen entered discussions with Trident Studios after being spotted at De La Lane Studios by John Anthony and after discussions were offered a management deal by Norman Sheffield under Neptune Productions, a subsidiary of Trident to manage the band and enable them to use the facilities at Trident to record new material whilst the management search for a record label to sign Queen." answer the question "Which singer used Trident studios in addition to Queen and the Beatles?"

A: no

Problem: Does "To prevent further loss of groundwater, Tucson has been involved in water conservation and groundwater preservation efforts, shifting away from its reliance on a series of Tucson area wells in favor of conservation, consumption-based pricing for residential and commercial water use, and new wells in the more sustainable Avra Valley aquifer, northwest of the city." answer the question "What aquifer is Tucson starting new wells in?"

A:
yes