Adenine forms two hydrogen bonds with thymine in DNA while three hydrogen bonds are formed between guanine and cytosine.
Thymine and cytosine are pyrimidines because they have a single ring structure. Adenine and guanine are purines because they have a double ring structure.
The inorganic compound is KH2PO4. Organic compounds must contain carbon and hydrogen in them to be chemically classified as organic.
False. A person cannot become a problem drinker by drinking beer.
