Answer: Self-replicating RNA
RNA can do catalytic functions like enzymes. It carries genetic information and replicate itself. It also carries information about vesicles which carries it. RNA is less stable than DNA which confirms that genetic material is evolved from a less stable to highly stable form.
Lead.
"Due to insufficient water treatment, lead leached from water pipes into the drinking water, exposing over 100,000 residents to elevated lead levels."
Lynn probably has the tendon of her calves(achilles tendon) inflamed and it's suffering from a <span>tendinitis. Tendinitis can be caused by repeated movements of the same muscles, like Lynn as been doing practicing all summer.
The answer is yes, the pain is related with constant exercise of her calves and the first thing she should do it's stop practicing.
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