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- DictionaryChain let·ter/ˈCHān ˌledər/
noun
- 1. one of a sequence of letters, each recipient in the sequence being requested to send copies to a specific number of other people.
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May 25, 2024 · chain letter: 1 n a letter that is sent successively to several people Type of: letter , missive a written message addressed to a person or organization
May 23, 2024 · Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. [1] Although over 500 amino acids exist in nature, by far the most important are the 22 α-amino acids incorporated into proteins. [2] Only these 22 appear in the genetic code of life. [3] [4]
May 23, 2024 · 1. Any device external to a vessel or aircraft specifically intended to assist navigators in determining their position or safe course, or to warn them of dangers or obstructions to navigation. 2. Any sort of marker that aids a traveler in navigation, especially with regard to nautical or aviation travel.
6 days ago · Gentle Reader: The difference between people who send chain letters by e-mail and those who send avowals of love and complaints about the boss is that the former are pleasantly surprised to find ...
4 days ago · Definition. Genetic code refers to the instructions contained in a gene that tell a cell how to make a specific protein. Each gene’s code uses the four nucleotide bases of DNA: adenine (A), cytosine (C), guanine (G) and thymine (T) — in various ways to spell out three-letter “codons” that specify which amino acid is needed at each ...
4 days ago · Definition. A codon is a DNA or RNA sequence of three nucleotides (a trinucleotide) that forms a unit of genomic information encoding a particular amino acid or signaling the termination of protein synthesis (stop signals). There are 64 different codons: 61 specify amino acids and 3 are used as stop signals.
6 days ago · Definition. An amino acid is the fundamental molecule that serves as the building block for proteins. There are 20 different amino acids. A protein consists of one or more chains of amino acids (called polypeptides) whose sequence is encoded in a gene. Some amino acids can be synthesized in the body, but others (essential amino acids) cannot ...
