A nucleotide is one of the structural components, or building blocks, of DNA and RNA. A nucleotide consists of a base (one of four chemicals: adenine, thymine, guanine, and cytosine) plus a molecule of sugar and one of phosphoric acid. nucleotide is one of the structural components, or building blocks, of DNA and RNA. A nucleotide consists of a base (one of four chemicals: adenine, thymine, guanine, and cytosine) plus a molecule of sugar and one of phosphoric acid.
Pickled onions are a food item consisting of onions pickled in a solution of vinegar and salt, often with other preservatives and flavourings. In the United Kingdom they are often eaten alongside fish and chips or as part of a ploughman's lunch.ickled onions are a food item consisting of onions pickled in a solution of vinegar and salt, often with other preservatives and flavourings. In the United Kingdom they are often eaten alongside fish and chips or as part of a ploughman's lunch.
Green Onions or Bunching Onions. To onion lovers and growers here's where there is a difference. A green onion or bunching onion has gained the hint of a bulb with maturity; a scallion has no bulb and a spring onion has a small bulb. Green onions have long, green, delicate stalks and small, very slender, white bulbs. The bulb of a green onion is slightly defined.