When light energy is absorbed by chlorophyll, an electron is promoted to a higher orbital and then transferred to a suitable acceptor, resulting in light energy conversion to chemical energy. Which of the following terms describes this type of reaction?
a. isomerase reaction. b. mutase reaction. c. ligase reaction. d. oxidation-reduction reaction. e. none of the above.

Liquefaction was one reason the kobe wharfs were destroyed and other areas nearby. what is liquefaction? a. it is when conditions in the soil send the seismic wave out to the mountains and bounce back b. it is when conditions in the soil change to vigorous p-wave shaking when the surface waves pass by c. it referes to the fact that when an earthquake occurs wet and soft soil will vibrate more vigorously then solid rocky soil strangely in kobe some streets had very bad damage but the next street over had far less damage. what caused this? a. the waves passed through the city hit the mountains and returned back to the city. at some points the incoming and outgoing waves amplified their strength b. the mountains also had a quake and sent waves into the city c. waves hit the moutains and took longer to return

As a small change in a person's dna can cause a genetic disorder

Which of the following describes the difference in stimuli required to detect a difference between the stimuli? a. just noticeableb. signal detectionc. subliminald. top down