Electrons are subatomic particles that orbit around an atom. This electrons can be shared with other atoms when two atoms are willing to bind with eachother.
Answer: Electron.
Hope it helped,
Happy homework/ study/ exam!
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>
Ribosomes, because both prokaryotes and eukaryotes have ribosomes to make proteins.
They are the basic units of structure because they are the smallest unit of life. you cant go any further. also they make up every living thing from prokaryote to eukaryote.
