What is the function of an electron in the electron transport chain? A.) To dephosphorylate ATP, producing ADP
B.) to power active transport pumps
C.) to reduce heme and complex III
D.) To oxidize oxygen

To dephosphorylate ATP, producing ATP

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms