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.
Report Abuse. Green onions (also known as scallions, spring onions, and shallots) are usually one of various members of the onion family that do not form bulbs. Occasionally, whole immature shallots are used in the same way. Green onions tend to be milder tasting than other onions and are typically used raw in salads.Shallots are a very small sweet onion with a papery skin that must be removed before they can be cooked with. They grow in clusters, similar to garlic. The taste is similar to a standard onion, but more delicate.nlike onions where each plant normally forms a single bulb, shallots form clusters of offsets, rather in the manner of garlic. Shallots are extensively cultivated and much used in cookery, in addition to being pickled.