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>
Answer: the half life of the material is four years
Answer:
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
Answer:
<em>the </em><em>next </em><em>step </em><em>in </em><em>the </em><em>scientific</em><em> </em><em>method</em><em> </em><em>is </em><em>to </em><em>test </em><em>the </em><em>hypothesis</em><em> </em><em>by </em><em>designing</em><em> </em><em>an </em><em>experiment</em>
Explanation:
<em>this </em><em>includes</em><em> </em><em>creating </em><em>a </em><em>list </em><em>of </em><em>materials</em><em> </em><em>and </em><em>a </em><em>procedure</em><em>-a </em><em>step </em><em>-by </em><em>step </em><em>explanation</em><em> </em><em>of </em><em>how </em><em>to </em><em>conduct</em><em> </em><em>the </em><em>experiment </em>