Which is an example of science playing a role in developing technology? the use of an electric spark to produce amino acids from gases that are present in Earth’s early atmosphere the discovery that Penicillium mold produces a substance that prevents bacterial growth the improvement in lens-grinding technology, which led to the discovery of cells in cork the discovery that microwaves can pop corn, which led to the creation of microwave ovens

Cells destroy body cells infected by a virus or bacteria.

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

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.