Amino acids have earned the designation of zwitterions or hybrid ions, since their structure allows them to carry both a positive and negative charge depending on the pH range of the solution they exist in. Out of the 100 or so amino acids that occur in nature, only 20 types constitute the building blocks of all proteins. They…
"You're plotting something wicked again, aren't you?" Izzy's voice rips my eyes away from the starry sky I've been gawking at for god knows how long.
"What? No!" I deny.
"Sure, sure…," she drags her words sarcastically, "What are you thinking about?" she asks.
Although she's not as zestful as her old self, I am glad to see that, at least, her morale has improved since she opened up to me about Salina's words to her the other night.
"A lot of things," I mutter, pushing my legs further against my chest on my chair.
