Answer: 20 amino acids
Explanation: The 20 amino acids that are found within proteins convey a vast array of chemical versatility. The precise amino acid content, and the sequence of those amino acids, of a specific protein, is determined by the sequence of the bases in the gene that encodes that protein.
Our planet's magnetic field<span> is believed to be </span>generated<span> deep down in the </span>Earth's<span>core. ... The Coriolis force, resulting from the </span>Earth's<span> spin, also causes swirling whirlpools. This flow of liquid iron </span>generates<span> electric currents, which in turn produce </span><span>magnetic fields</span>
<span>C) secrete enzymes that kill bacteria</span>
