B. DNA is heated to separate strands
This is always the first step in a PCR reaction, the Heat acts as Helicase to unwind the double helix.
<span>This would be the Atlantic Ocean, mainly the northern reaches of it toward the Arctic. Vikings have their ancestry in the Norse countries and areas of northern Europe, which lies on the outskirts and seas bordering the Atlantic. During their travels, they would explore these waters and find new lands (one being the New World later discovered by Spanish, Portuguese, and English explorers some 500 years in the future).</span>
3 examples would be touch, light and chemical.
and the most common signal would be chemical.
Hope this helps! (:
Answer:
<h2><em><u>starch</u></em></h2>
Explanation:
Plants store carbohydrates in long polysaccharides chains called starch.