Mr. Hammond inquires how his wife contracted this viral infection, since she has not come in contact with anyone who has shingles. You recall from microbiology that varicella zoster virus can remain in a chronic latent state in a host by:

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves