Although there are many antibiotics produced by soil organisms, most are not useful in humans. suggest two likely reasons why an antibiotic maynot

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.

Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.