____ is a typical photolithoautotroph. A: Sulfur oxidizing bacteria B: Iron oxidizing bacteria C: Cyanobacteria D: Purple non-sulfur bacteria

Electrons are lost by the ( ) A: oxidizing agent as it undergoes oxidation B: oxidizing agent as it undergoes reduction C: reducing agent as it undergoes oxidation D: reducing agent as it undergoes reduction

The relative oxidizing or reducing strengths of redox couples are expressed interms of their ______ , which have the units of volts.

The characteristics of oxidizing agents? A: causes another substance to be oxidized B: contains an element whose oxidation state decreases in a redox reaction C: gains electrons D: is reduced

CO can cause cellular respiratory arrest, the mechanism is A: It’s an uncoupler. B: Most of the energy from oxidizing substances is released as heat. C: Block proton reflux D: Block electron transfer between Cytb and Cytc1 E: Block electron transfer between Cytaa3 and O2