When testing for starch in a leaf the leaf undergoes various procedure before starch is added. Explain the importance of a) Boiling the leaf in water ,methylated spirit and rising. b) Placing a potted plant in the sun for 5hours c) State the expected observation

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

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.

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?