Well, it's obvious, because without a transport system, cells wouldn't have the nutrients and things they needed!! And waste wouldn't be able to circulate out of cells.
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 answer to your question is:
Explanation:
1 or more double bonds unsaturated
Usually solid at room temperature saturated
Molecules are tightly packed togheter saturated
Usually liquid at room temperature unsaturated
Most plant fats unsaturated
Most animal fats saturated
Lithosphere is the final layer on the planet Earth, erosion caused by wind (atmosphere) or rain (hydrosphere) may also wear down rocks in the lithosphere.
Answer:
synthetic fiber
Explanation:
because it contains chemicals
