Bacteria and archaea carry out the process of nitrogen fixation, which reduces atmospheric nitrogen, N,, to the biologically useful form NH,, also called ammonia. The nitrogenase complex consists of two proteins, reductase and nitrogenase, which catalyze the reactions of nitrogen fixation. Match each structural feature or function with the corresponding component of the nitrogenase complex. a. Reductase b. Nitrogenase1. homodimer 2. heterotetramer 3. also called the molybdenum-iron protein, or the MoFe protein 4. transfers electrons from a donor, such as ferredoxin, to the other component 5. binds and hydrolyzes ATP for electron transfer6. also called the iron protein, or the Fe protein 7. site of nitrogen fixation

the tides are influenced by both the moon and the sun, it's easy to see that when the sun lines up with the moon and the earth, as during a new moon or full moon, the tidal effect is increased. these are known as spring tides, named not for the season, but for the fact that the water "springs" higher than normal. on the other hand, if the sun and the moon are 90 degrees apart in relation to an observer on earth as during the first quarter moon or third quarter moon, then high tides are not as high as they normally would be. this is because despite its greater distance, the sun's mass allows it to exert enough gravitational force on the oceans that it can negate some of the effects of the moon's pull. this phenomenon of lower high tides is called a neap tide. if you need more information on this topic visit moonconnection.com.

the electron configuration that you gave me has 16 electrons ergo it has 16 protons ergo it is the element sulfur.

there are two significant figures.

explanation:

0.07 g/cm³

1.37 g/cm³