The incorrect among the choices is "<span>direct signaling involves the activation of g proteins"
This is incorrect because direct signaling does not involve the activation of g proteins rather it involves the activation of ion channels resulting to either an excitation reaction (depolarization of the membrane) or an inhibition reaction (hyperpolarization of the membrane); and this will ultimately affect the action of the organ the nerve is innervating.</span>
The cytochrome oxidase test is used primarily for the identification of GRAM NEGATIVE ORGANISM.
The oxidase test is used to identify bacteria which synthesize cytochrome C oxidase enzyme, which is an enzyme of the bacterial electron transport chain.
This process is referred to as Ammonification, I believe, basically this allows Nitrogen to be in the appropriate form for plants to absorb it.
Answer:
Rex is not a Tyrannosaurus rex because each of his hands has three fingers. Tyrannosaurus had only two fingers on each hand.
U just check a few of them and pretty much close the app then they should be cleared :)
