The data above shows all of the differences in DNA in a sequence of 500bases. what percentage of this 500-base sequence do humans share with chimpanzees? A) 1/500 = 0.2%
B) 05/500 = 1%
C) 495/500 = 99%
D) 499/500 = 99.8%

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers