In outer space, distances between objects such as galaxies can be so vast that a new unit is used to measure them. This unit uses the distance cover by The fastest moving thing in the universe in a year. This is called a(n)

A) light year
B) Atomic year
C) galactic unit
D) Astronomical unit

How are tumors cells different from normal cells

How does a lytic infection differ from a lysogenic infection?

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.