While a 31-year-old multigravida at 39 weeks' gestation in active labor is being admitted, her amniotic membranes rupture spontaneously. the client's cervix is 5 cm dilated, the presenting part is at 0 station, and the electronic fetal heart rate pattern is reassuring. what should the nurse do first?

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

Explain the purpose of a molecular clock and the properties that a section of protein must have to be used in this way.