The cytochromes found in complex III of the electron and H+ transport chain all contain a heme group. In the these heme groups an iron atom is bound to which of the following?
A) two nitrogen atoms
B) two sulfur atoms
C) four nitrogen atoms
D) four sulfur atoms
C
You might also like to view...
Viewshed analysis can be performed using:
A. a TIN B. an elevation raster C. both an elevation raster and a TIN
Generally, how would the climograph for a Mediterranean climate differ from a humid subtropical one?
An increase in stream velocity can be caused by _____
a. an increase in stream gradient b. an increase in channel roughness c. a decrease in stream competence d. a decrease in stream capacity e. a decrease in stream energy
This relatively large, symmetrical volcano contains interlayered lava flow, pyroclastic deposits, and volcanic mudflows. What kind of volcano is it?
A. fissure B. composite volcano C. volcanic dome D. scoria cone E. shield volcano