Which of the following is not true of neutrophils?

a. neutrophils exchange freely between margin sting and circulating pools.
b. the circulating half-life of neutrophils is approximately 7-10 hours.
c. neutrophils exchange freely between blood and tissues.
d. neutrophils can be held in the marrow for future release into the peripheral blood.

Convert 9.75 millimeters to centimeters.centimeters

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

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.