An expectant mother of twins has been told there is a strong chance that she will go into labour early and her babies will be premature. in order to increase the chances of having healthy infants, she is given a dose of steroids to stimulate the production of surfactant in the infants' lungs. surfactant is important for survival of the babies because it reduces:

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases