The eight planets of the solar system all revolve on the same plane & in the same direction around the Sun as a result of which process(es) from the formation of the solar system? Question options: A) enormous amounts of matter were pulled toward & clumped in the center B) planets formed from the colliding planetesimals C) planetesimals began to grow D) the nebula began to collapse, rotate, & flatten

Which of the four major uses is predicted to change the least by 2020?

Which codon is the code for the amino acid histidine (his)?

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition. b) one-fourth of the daughters of an affected man would have this condition. c) one-half of the daughters of an affected father and a carrier mother could have this condition. d) only if a woman is xxx could she have this condition.