Which example best shows that the chemisty of water is helpful to plants a) waters polarity produces a high density which allows water to move to the leaves.

b) waters bent shape causes a slow passage of nutrients up to the leaves of plants

c) waters polarity causes cohesion that pulls other water molecules up through the plant

d) waters bent shape reduces its own passage through the cell membranes of roots​

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.

What element is able to combine with itself and hydrogen to form large molecules ?

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.