Answer;
These are telltale signs that Valerie is suffering from Heat exhaustion.
Explanation;
Heat exhaustion is a part of heat related illnesses that begin with heat cramps, progresses to heat exhaustion, and finally to heat stroke.
The body cools itself by heavy sweating and allowing that sweat to evaporate.
Heat exhaustion symptoms include excessive thirst, headache, weakness, nausea, vomiting, dizziness, muscle cramps and a weak, rapid pulse.
DNA gyrase is an essential bacterial enzyme that catalyzes the ATP-dependent negative super-coiling of double-stranded closed-circular DNA. Gyrase belongs to a class of enzymes known as topoisomerases that are involved in the control of topological transitions of DNA. Hope this helps! :3
You must just analyze the words. Replication is a synonym of copy, so the only possible answer is C.
Hope it helped,
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