Bunsen burners are often used in science labs as a source of heat. which of the following safety rules apply when using bunsen burners in the lab?

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.

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

What are the characteristics of subsystem