Biology, 02.10.2020 18:01 KenyanaBDavis
Dr. Smith wants to examine whether a new drug increases the maze running performance of older rats. Just like aging humans, older rats show signs of poorer memory for new things. Dr. Smith teaches two groups of older rats to find a piece of tasty rat chow in the maze. One group of rats is given the new drug while they are learning the maze. The second group is not given the drug. One week after having learned the maze he retests the rats and records how long it takes them to find the rat chow.
Answers: 2
Biology, 21.06.2019 13:30, Teedollasign
Scientific thinking: what clues about biology might road kill provide?
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Biology, 22.06.2019 06:00, reginapokorny
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.
Answers: 2
Dr. Smith wants to examine whether a new drug increases the maze running performance of older rats....
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