You should know the Thymine pairs with Adenine and that Cytosine pairs with Guanine. If you know what one of the Letters are (A,T,C, or G), then you can easily figure out the other letter. A trick is that Adenine pairs with Thymine and they are straight figures like the letter "A" and the letter "T". Guanine and Cytosine have the letters "C" and "G" and both of them are curvy and not straight. This helps you identify the other nucleotide if you know one of them.
<span>Benzedrine, methedrine, and dexedrine are all amphetamines, Amphetamines are a stimulant drug to the central nervous system, usually produced in a laboratory. They are used in the treatment of hyperactivity disorder, narcolepsy and obesity amongst other things. They are also present in some banned substances for recreational use.</span>
C. posterior, it would be dorsal but posterior and dorsal both mean toward back of the body
That phrase is an example of Alliteration.
