Does "A price drop and hardware upgrades could not offset the earlier perception of the Cube's reduced value compared to the iMac and Power Mac G4 lineup, and it was discontinued in July 2001." contain the correct answer to "What did the Power Mac G4 have trouble overcoming after they dropped their price and upgraded their hardware?"

A: yes

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

A: yes

Does "In 1941, he derived the exact distribution of the ratio of the mean square of successive differences to the sample variance for independent and identically normally distributed variables." contain the correct answer to "When did von NEumann establish mean square ratio?"

A:
yes